Spot Welding Straight Electrodes
Straight spot welding electrodes from TUFFALOY are distinguished for their high conductivity and resistance to deformation, which are the two major requirements of resistance welding electrodes. Modern manufacturing methods and constant scientific quality control make the difference, starting with the alloying of pure copper, through bar extrusion, and the conversion of this high-quality bar stock into spot welding electrodes.
TUFFALOY ensures conformity to all standard dimensions. Before shipment, all electrodes must pass inspection by gage for uniform length, taper, and outline of point.
The bright shiny look of TUFFALOY spot welding electrodes is the result of a passivation process that eliminates excessive oxidation. It reflects the deep-down quality built into these electrodes and into all TUFFALOY products.
Only RWMA Class 1 (TUFFALOY 88) and Class 2 (TUFFALOY 77) electrodes are listed here. Class 3 alloy (TUFFALOY 55) electrodes are also available. For recommended uses of these alloys, see “Help Aids” in the upper right hand corner of this page.
To order Class 3 alloy electrodes, change description code to indicate it: see “Key to Description”, above.
Pointed Nose
Dome Nose
Flat Nose
Offset Nose
Truncated Nose
Radius Faced
Angled Nose

| POINTED NOSE (A) | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| A Overall Length | B Nose Length | C Welding Face Dia | D Gauging Dia | E Water Hole Depth | F Water Hole Dia | RWMA CLASS 1 Description | RWMA CLASS 1 Part Num | RWMA CLASS 2 Description | RWMA CLASS 2 Part Num |
| No. 4 RW TAPER - 1/2" DIAMETER | |||||||||
| 1 | 3/8 | 3/16 | .463 | 1/2 | 9/32 | A-1404 | 131-1404 | A-2404 | 132-2404 |
| 1-1/4 | 3/4 | 3/16 | .463 | 3/4 | 9/32 | A-1405 | 131-1405 | A-2405 | 132-2405 |
| 1-1/2 | 3/4 | 3/16 | .463 | 1 | 9/32 | A-1406 | 131-1406 | A-2406 | 132-2406 |
| 1-3/4 | 3/4 | 3/16 | .463 | 1-1/4 | 9/32 | A-1407 | 131-1407 | A-2407 | 132-2407 |
| 2 | 3/4 | 3/16 | .463 | 1-1/2 | 9/32 | A-1408 | 131-1408 | A-2408 | 132-2408 |
| 2-1/4 | 3/4 | 3/16 | .463 | 1-3/4 | 9/32 | A-1409 | 131-1409 | A-2409 | 132-2409 |
| 2-1/2 | 3/4 | 3/16 | .463 | 2 | 9/32 | A-1410 | 131-1410 | A-2410 | 132-2410 |
| 2-3/4 | 3/4 | 3/16 | .463 | 2-1/4 | 9/32 | A-1411 | 131-1411 | A-2411 | 132-2411 |
| 3 | 3/4 | 3/16 | .463 | 2-1/2 | 9/32 | A-1412 | 131-1412 | A-2412 | 132-2412 |
| 3-1/4 | 3/4 | 3/16 | .463 | 2-3/4 | 9/32 | A-1413 | 131-1413 | A-2413 | 132-2413 |
| 3-1/2 | 3/4 | 3/16 | .463 | 3 | 9/32 | A-1414 | 131-1414 | A-2414 | 132-2414 |
| 3-3/4 | 3/4 | 3/16 | .463 | 3-1/4 | 9/32 | A-1415 | 131-1415 | A-2415 | 132-2415 |
| 4 | 3/4 | 3/16 | .463 | 3-1/2 | 9/32 | A-1416 | 131-1416 | A-2416 | 132-2416 |
| No. 5 RW TAPER - 5/8" DIAMETER | |||||||||
| 1-1/4 | 1/2 | 1/4 | .613 | 3/4 | 3/8 | A-1505 | 131-11505 | A-2505 | 132-2505 |
| 1-1/2 | 7/8 | 1/4 | .613 | 3/4 | 3/8 | A-1506 | 131-11506 | A-2506 | 132-2506 |
| 1-3/4 | 7/8 | 1/4 | .613 | 1 | 3/8 | A-1507 | 131-11507 | A-2507 | 132-2507 |
| 2 | 7/8 | 1/4 | .613 | 1-1/4 | 3/8 | A-1508 | 131-11508 | A-2508 | 132-2508 |
| 2-1/4 | 7/8 | 1/4 | .613 | 1-1/2 | 3/8 | A-1509 | 131-11509 | A-2509 | 132-2509 |
| 2-1/2 | 7/8 | 1/4 | .613 | 1-3/4 | 3/8 | A-1510 | 131-11510 | A-2510 | 132-2510 |
| 2-3/4 | 7/8 | 1/4 | .613 | 2 | 3/8 | A-1511 | 131-11511 | A-2511 | 132-2511 |
| 3 | 7/8 | 1/4 | .613 | 2-1/4 | 3/8 | A-1512 | 131-11512 | A-2512 | 132-2512 |
| 3-1/4 | 7/8 | 1/4 | .613 | 2-1/2 | 3/8 | A-1513 | 131-11513 | A-2513 | 132-2513 |
| 3-1/2 | 7/8 | 1/4 | .613 | 2-3/4 | 3/8 | A-1514 | 131-11514 | A-2514 | 132-2514 |
| 3-3/4 | 7/8 | 1/4 | .613 | 3 | 3/8 | A-1515 | 131-11515 | A-2515 | 132-2515 |
| 4 | 7/8 | 1/4 | .613 | 3-1/4 | 3/8 | A-1516 | 131-11516 | A-2516 | 132-2516 |
| No. 6 RW TAPER - 3/4" DIAMETER | |||||||||
| 2 | 1 | 9/32 | .731 | 1-1/4 | 7/16 | A-1608 | 131-1608 | A-2608 | 132-2608 |
| 2-1/2 | 1 | 9/32 | .731 | 1-3/4 | 7/16 | A-1610 | 131-1610 | A-2610 | 132-2610 |
| 3 | 1 | 9/32 | .731 | 2-1/4 | 7/16 | A-1612 | 131-1612 | A-2612 | 132-2612 |
| 3-1/2 | 1 | 9/32 | .731 | 2-3/4 | 7/16 | A-1614 | 131-1614 | A-2614 | 132-2614 |
| 4 | 1 | 9/32 | .731 | 3-1/4 | 7/16 | A-1616 | 131-1616 | A-2616 | 132-2616 |
| No. 7 RW TAPER - 7/8" DIAMETER | |||||||||
| 2 | 1-1/8 | 5/16 | .844 | 1-1/4 | 1/2 | A-1708 | 131-1708 | A-2708 | 132-2708 |
| 2-1/2 | 1-1/8 | 5/16 | .844 | 1-3/4 | 1/2 | A-1710 | 131-1710 | A-2710 | 132-2710 |
| 3 | 1-1/8 | 5/16 | .844 | 2-1/4 | 1/2 | A-1712 | 131-1712 | A-2712 | 132-2712 |
| 3-1/2 | 1-1/8 | 5/16 | .844 | 2-3/4 | 1/2 | A-1714 | 131-1714 | A-2714 | 132-2714 |
| 4 | 1-1/8 | 5/16 | .844 | 3-1/2 | 1/2 | A-1716 | 131-1716 | A-2716 | 132-2716 |

| Dome Nose (B) | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| A Overall Length | B Nose Length | C Welding Face Dia | D Gauging Dia | E Water Hole Depth | F Water Hole Dia | RWMA CLASS 1 Description | RWMA CLASS 1 Part Num | RWMA CLASS 2 Description | RWMA CLASS 2 Part Num |
| No. 4 RW TAPER - 1/2" DIAMETER | |||||||||
| 1 | 1/4 | 3/16 | .463 | 1/2 | 9/32 | B-1404 | 133-1404 | B-2404 | 134-2404 |
| 1-1/4 | 1/4 | 3/16 | .463 | 3/4 | 9/32 | B-1405 | 133-1405 | B-2405 | 134-2405 |
| 1-1/2 | 1/4 | 3/16 | .463 | 1 | 9/32 | B-1406 | 133-1406 | B-2406 | 134-2406 |
| 1-3/4 | 1/4 | 3/16 | .463 | 1-1/4 | 9/32 | B-1407 | 133-1407 | B-2407 | 134-2407 |
| 2 | 1/4 | 3/16 | .463 | 1-1/2 | 9/32 | B-1408 | 133-1408 | B-2408 | 134-2408 |
| 2-1/4 | 1/4 | 3/16 | .463 | 1-3/4 | 9/32 | B-1409 | 133-1409 | B-2409 | 134-2409 |
| 2-1/2 | 1/4 | 3/16 | .463 | 2 | 9/32 | B-1410 | 133-1410 | B-2409 | 134-2410 |
| 2-3/4 | 1/4 | 3/16 | .463 | 2-1/4 | 9/32 | B-1411 | 133-1411 | B-2411 | 134-2411 |
| 3 | 1/4 | 3/16 | .463 | 2-1/2 | 9/32 | B-1412 | 133-1412 | B-2412 | 134-2412 |
| 3-1/4 | 1/4 | 3/16 | .463 | 2-3/4 | 9/32 | B-1413 | 133-1413 | B-2413 | 134-2413 |
| 3-1/2 | 1/4 | 3/16 | .463 | 3 | 9/32 | B-1414 | 133-1414 | B-2414 | 134-2414 |
| 3-3/4 | 1/4 | 3/16 | .463 | 3-1/4 | 9/32 | B-1415 | 133-1415 | B-2415 | 134-2415 |
| 4 | 1/4 | 3/16 | .463 | 3-1/2 | 9/32 | B-1416 | 133-1416 | B-2416 | 134-2416 |
| No. 5 RW TAPER - 5/8" DIAMETER | |||||||||
| 1-1/4 | 3/8 | 1/4 | .613 | 3/4 | 3/8 | B-1505 | 133-1505 | B-2505 | 134-2505 |
| 1-1/2 | 3/8 | 1/4 | .613 | 3/4 | 3/8 | B-1506 | 133-1506 | B-2506 | 134-2506 |
| 1-3/4 | 3/8 | 1/4 | .613 | 1 | 3/8 | B-1507 | 133-1507 | B-2507 | 134-2507 |
| 2 | 3/8 | 1/4 | .613 | 1-1/4 | 3/8 | B-1508 | 133-1508 | B-2508 | 134-2508 |
| 2-1/4 | 3/8 | 1/4 | .613 | 1-1/2 | 3/8 | B-1509 | 133-1509 | B-2509 | 134-2509 |
| 2-1/2 | 3/8 | 1/4 | .613 | 1-3/4 | 3/8 | B-1510 | 133-1510 | B-2510 | 134-2510 |
| 2-3/4 | 3/8 | 1/4 | .613 | 2 | 3/8 | B-1511 | 133-1511 | B-2511 | 134-2511 |
| 3 | 3/8 | 1/4 | .613 | 2-1/4 | 3/8 | B-1512 | 133-1512 | B-2512 | 134-2512 |
| 3-1/4 | 3/8 | 1/4 | .613 | 2-1/2 | 3/8 | B-1513 | 133-1513 | B-2513 | 134-2513 |
| 3-1/2 | 3/8 | 1/4 | .613 | 2-3/4 | 3/8 | B-1514 | 133-1514 | B-2514 | 134-2514 |
| 3-3/4 | 3/8 | 1/4 | .613 | 3 | 3/8 | B-1515 | 133-1515 | B-2515 | 134-2515 |
| 4 | 3/8 | 1/4 | .613 | 3-1/4 | 3/8 | B-1516 | 133-1516 | B-2516 | 134-2516 |
| No. 6 RW TAPER - 3/4" DIAMETER | |||||||||
| 2 | 3/8 | 9/32 | .731 | 1-1/4 | 7/16 | B-1608 | 133-1608 | B-2608 | 134-2608 |
| 2-1/2 | 3/8 | 9/32 | .731 | 1-3/4 | 7/16 | B-1610 | 133-1610 | B-2610 | 134-2610 |
| 3 | 3/8 | 9/32 | .731 | 2-1/4 | 7/16 | B-1612 | 133-1612 | B-2612 | 134-2612 |
| 3-1/2 | 3/8 | 9/32 | .731 | 2-3/4 | 7/16 | B-1614 | 133-1614 | B-2614 | 134-2614 |
| 4 | 3/8 | 9/32 | .731 | 3-1/4 | 7/16 | B-1616 | 133-1616 | B-2616 | 134-2616 |
| No. 7 RW TAPER - 7/8" DIAMETER | |||||||||
| 2 | 3/8 | 5/16 | .844 | 1-1/4 | 1/2 | B-1708 | 133-1708 | B-2708 | 134-2708 |
| 2-1/2 | 3/8 | 5/16 | .844 | 1-3/4 | 1/2 | B-1710 | 133-1710 | B-2710 | 134-2710 |
| 3 | 3/8 | 5/16 | .844 | 2-1/4 | 1/2 | B-1712 | 133-1712 | B-2712 | 134-2712 |
| 3-1/2 | 3/8 | 5/16 | .844 | 2-3/4 | 1/2 | B-1714 | 133-1714 | B-2714 | 134-2714 |
| 4 | 3/8 | 5/16 | .844 | 3-1/2 | 1/2 | B-1716 | 133-1716 | B-2716 | 134-2716 |

| FLAT NOSE (C) | ||||||||
|---|---|---|---|---|---|---|---|---|
| A Overall Length | C Welding Face Dia | D Gauging Dia | E Water Hole Depth | F Water Hole Dia | RWMA CLASS 1 Description | RWMA CLASS 1 Part Num | RWMA CLASS 2 Description | RWMA CLASS 2 Part Num |
| No. 4 RW TAPER - 1/2" DIAMETER | ||||||||
| 1 | 1/2 | .463 | 1/2 | 9/32 | C-1404 | 135-1404 | C-2404 | 136-2404 |
| 1-1/4 | 1/2 | .463 | 3/4 | 9/32 | C-1405 | 135-1405 | C-2405 | 136-2405 |
| 1-1/2 | 1/2 | .463 | 1 | 9/32 | C-1406 | 135-1406 | C-2406 | 136-2406 |
| 1-3/4 | 1/2 | .463 | 1-1/4 | 9/32 | C-1407 | 135-1407 | C-2407 | 136-2407 |
| 2 | 1/2 | .463 | 1-1/2 | 9/32 | C-1408 | 135-1408 | C-2408 | 136-2408 |
| 2-1/4 | 1/2 | .463 | 1-3/4 | 9/32 | C-1409 | 135-1409 | C-2409 | 136-2409 |
| 2-1/2 | 1/2 | .463 | 2 | 9/32 | C-1410 | 135-1410 | C-2410 | 136-2410 |
| 2-3/4 | 1/2 | .463 | 2-1/4 | 9/32 | C-1411 | 135-1411 | C-2411 | 136-2411 |
| 3 | 1/2 | .463 | 2-1/2 | 9/32 | C-1412 | 135-1412 | C-2412 | 136-2412 |
| 3-1/4 | 1/2 | .463 | 2-3/4 | 9/32 | C-1413 | 135-1413 | C-2413 | 136-2413 |
| 3-1/2 | 1/2 | .463 | 3 | 9/32 | C-1414 | 135-1414 | C-2414 | 136-2414 |
| 3-3/4 | 1/2 | .463 | 3-1/4 | 9/32 | C-1415 | 135-1415 | C-2415 | 136-2415 |
| 4 | 1/2 | .463 | 3-1/2 | 9/32 | C-1416 | 135-1416 | C-2416 | 136-2416 |
| No. 5 RW TAPER - 5/8" DIAMETER | ||||||||
| 1-1/4 | 5/8 | .613 | 3/4 | 3/8 | C-1505 | 135-1505 | C-2505 | 136-2505 |
| 1-1/2 | 5/8 | .613 | 3/4 | 3/8 | C-1506 | 135-1506 | C-2506 | 136-2506 |
| 1-3/4 | 5/8 | .613 | 1 | 3/8 | C-1507 | 135-1507 | C-2507 | 136-2507 |
| 2 | 5/8 | .613 | 1-1/4 | 3/8 | C-1508 | 135-1508 | C-2508 | 136-2508 |
| 2-1/4 | 5/8 | .613 | 1-1/2 | 3/8 | C-1509 | 135-1509 | C-2509 | 136-2509 |
| 2-1/2 | 5/8 | .613 | 1-3/4 | 3/8 | C-1510 | 135-1510 | C-2510 | 136-2510 |
| 2-3/4 | 5/8 | .613 | 2 | 3/8 | C-1511 | 135-1511 | C-2511 | 136-2511 |
| 3 | 5/8 | .613 | 2-1/4 | 3/8 | C-1512 | 135-1512 | C-2512 | 136-2512 |
| 3-1/4 | 5/8 | .613 | 2-1/2 | 3/8 | C-1513 | 135-1513 | C-2513 | 136-2513 |
| 3-1/2 | 5/8 | .613 | 2-3/4 | 3/8 | C-1514 | 135-1514 | C-2514 | 136-2514 |
| 3-3/4 | 5/8 | .613 | 3 | 3/8 | C-1515 | 135-1515 | C-2515 | 136-2515 |
| 4 | 5/8 | .613 | 3-1/4 | 3/8 | C-1516 | 135-1516 | C-2516 | 136-2516 |
| No. 6 RW TAPER - 3/4" DIAMETER | ||||||||
| 2 | 3/4 | .731 | 1-1/4 | 7/16 | C-1608 | 135-1608 | C-2608 | 136-2608 |
| 2-1/2 | 3/4 | .731 | 1-3/4 | 7/16 | C-1610 | 135-1610 | C-2610 | 136-2610 |
| 3 | 3/4 | .731 | 2-1/4 | 7/16 | C-1612 | 135-1612 | C-2612 | 136-2612 |
| 3-1/2 | 3/4 | .731 | 2-3/4 | 7/16 | C-1614 | 135-1614 | C-2614 | 136-2614 |
| 4 | 3/4 | .731 | 3-1/4 | 7/16 | C-1616 | 135-1616 | C-2616 | 136-2616 |
| No. 7 RW TAPER - 7/8" DIAMETER | ||||||||
| 2 | 7/8 | .844 | 1-1/4 | 1/2 | C-1708 | 135-1708 | C-2708 | 136-2708 |
| 2-1/2 | 7/8 | .844 | 1-3/4 | 1/2 | C-1710 | 135-1710 | C-2710 | 136-2710 |
| 3 | 7/8 | .844 | 2-1/4 | 1/2 | C-1712 | 135-1712 | C-2712 | 136-2712 |
| 3-1/2 | 7/8 | .844 | 2-3/4 | 1/2 | C-1714 | 135-1714 | C-2714 | 136-2714 |
| 4 | 7/8 | .844 | 3-1/2 | 1/2 | C-1716 | 135-1716 | C-2716 | 136-2716 |

| OFFSET NOSE (D) | ||||||||
|---|---|---|---|---|---|---|---|---|
| A Overall Length | C Welding Face Dia. | D Gauging Dia. | E Water Hole Depth | F Water Hole Dia. | RWMA CLASS 1 Description | RWMA CLASS 1 Part Num | RWMA CLASS 2 Description | RWMA CLASS 2 Part Num |
| No. 4 RW TAPER - 1/2" DIAMETER | ||||||||
| 1 | 3/16 | .463 | 1/2 | 9/32 | D-1404 | 137-1404 | D-2404 | 138-2404 |
| 1-1/4 | 3/16 | .463 | 3/4 | 9/32 | D-1405 | 137-1405 | D-2405 | 138-2405 |
| 1-1/2 | 3/16 | .463 | 1 | 9/32 | D-1406 | 137-1406 | D-2406 | 138-2406 |
| 1-3/4 | 3/16 | .463 | 1-1/4 | 9/32 | D-1407 | 137-1407 | D-2407 | 138-2407 |
| 2 | 3/16 | .463 | 1-1/2 | 9/32 | D-1408 | 137-1408 | D-2408 | 138-2408 |
| 2-1/4 | 3/16 | .463 | 1-3/4 | 9/32 | D-1409 | 137-1409 | D-2409 | 138-2409 |
| 2-1/2 | 3/16 | .463 | 2 | 9/32 | D-1410 | 137-1410 | D-2410 | 138-2410 |
| 2-3/4 | 3/16 | .463 | 2-1/4 | 9/32 | D-1411 | 137-1411 | D-2411 | 138-2411 |
| 3 | 3/16 | .463 | 2-1/2 | 9/32 | D-1412 | 137-1412 | D-2412 | 138-2412 |
| 3-1/4 | 3/16 | .463 | 2-3/4 | 9/32 | D-1413 | 137-1413 | D-2413 | 138-2413 |
| 3-1/2 | 3/16 | .463 | 3 | 9/32 | D-1414 | 137-1414 | D-2414 | 138-2414 |
| 3-3/4 | 3/16 | .463 | 3-1/4 | 9/32 | D-1415 | 137-1415 | D-2415 | 138-2415 |
| 4 | 3/16 | .463 | 3-1/2 | 9/32 | D-1416 | 137-1416 | D-2416 | 138-2416 |
| No. 5 RW TAPER - 5/8" DIAMETER | ||||||||
| 1-1/4 | 1/4 | .613 | 3/4 | 3/8 | D-1505 | 137-1505 | D-2505 | 138-2505 |
| 1-1/2 | 1/4 | .613 | 3/4 | 3/8 | D-1506 | 137-1506 | D-2506 | 138-2506 |
| 1-3/4 | 1/4 | .613 | 1 | 3/8 | D-1507 | 137-1507 | D-2507 | 138-2507 |
| 2 | 1/4 | .613 | 1-1/4 | 3/8 | D-1508 | 137-1508 | D-2508 | 138-2508 |
| 2-1/4 | 1/4 | .613 | 1-1/2 | 3/8 | D-1509 | 137-1509 | D-2509 | 138-2509 |
| 2-1/2 | 1/4 | .613 | 1-3/4 | 3/8 | D-1510 | 137-1510 | D-2510 | 138-2510 |
| 2-3/4 | 1/4 | .613 | 2 | 3/8 | 137-1511 | D-2511 | 138-2511 | |
| 3 | 1/4 | .613 | 2-1/4 | 3/8 | D-1512 | 137-1512 | D-2512 | 138-2512 |
| 3-1/4 | 1/4 | .613 | 2-1/2 | 3/8 | D-1513 | 137-1513 | D-2513 | 138-2513 |
| 3-1/2 | 1/4 | .613 | 2-3/4 | 3/8 | D-1514 | 137-1514 | D-2514 | 138-2514 |
| 3-3/4 | 1/4 | .613 | 3 | 3/8 | D-1515 | 137-1515 | D-2515 | 138-2515 |
| 4 | 1/4 | .613 | 3-1/4 | 3/8 | D-1516 | 137-1516 | D-2516 | 138-2516 |
| No. 6 RW TAPER - 3/4" DIAMETER | ||||||||
| 2 | 9/32 | .731 | 1-1/4 | 7/16 | D-1608 | 137-1608 | D-2608 | 138-2608 |
| 2-1/2 | 9/32 | .731 | 1-3/4 | 7/16 | D-1610 | 137-1610 | D-2610 | 138-2610 |
| 3 | 9/32 | .731 | 2-1/4 | 7/16 | D-1612 | 137-1612 | D-2612 | 138-2612 |
| 3-1/2 | 9/32 | .731 | 2-3/4 | 7/16 | D-1614 | 137-1614 | D-2614 | 138-2614 |
| 4 | 9/32 | .731 | 3-1/4 | 7/16 | D-1616 | 137-1616 | D-2616 | 138-2616 |
| No. 7 RW TAPER - 7/8" DIAMETER | ||||||||
| 2 | 5/16 | .844 | 1-1/4 | 1/2 | D-1708 | 137-1708 | D-2708 | 138-2708 |
| 2-1/2 | 5/16 | .844 | 1-3/4 | 1/2 | D-1710 | 137-1710 | D-2710 | 138-2710 |
| 3 | 5/16 | .844 | 2-1/4 | 1/2 | D-1712 | 137-1712 | D-2712 | 138-2712 |
| 3-1/2 | 5/16 | .844 | 2-3/4 | 1/2 | D-1714 | 137-1714 | D-2714 | 138-2714 |
| 4 | 5/16 | .844 | 3-1/2 | 1/2 | D-1716 | 137-1716 | D-2716 | 138-2716 |

| TRUNCATED CONE (E) | ||||||||
|---|---|---|---|---|---|---|---|---|
| A Overall Length | C Welding Face Dia. | D Gauging Dia. | E Water Hole Depth | F Water Hole Dia. | RWMA CLASS 1 Description | RWMA CLASS 1 Part Num | RWMA CLASS 2 Description | RWMA CLASS 2 Part Num |
| No. 4 RW TAPER - 1/2" DIAMETER | ||||||||
| 1 | 3/16 | .463 | 1/2 | 9/32 | E-1404 | 140-1404 | E-2404 | 140-2404 |
| 1-1/4 | 3/16 | .463 | 3/4 | 9/32 | E-1405 | 140-1405 | E-2405 | 140-2405 |
| 1-1/2 | 3/16 | .463 | 1 | 9/32 | E-1406 | 140-1406 | E-2406 | 140-2406 |
| 1-3/4 | 3/16 | .463 | 1-1/4 | 9/32 | E-1407 | 140-1407 | E-2407 | 140-2407 |
| 2 | 3/16 | .463 | 1-1/2 | 9/32 | E-1408 | 140-1408 | E-2408 | 140-2408 |
| 2-1/4 | 3/16 | .463 | 1-3/4 | 9/32 | E-1409 | 140-1409 | E-2409 | 140-2409 |
| 2-1/2 | 3/16 | .463 | 2 | 9/32 | E-1410 | 140-1410 | E-2410 | 140-2410 |
| 2-3/4 | 3/16 | .463 | 2-1/4 | 9/32 | E-1411 | 140-1411 | E-2411 | 140-2411 |
| 3 | 3/16 | .463 | 2-1/2 | 9/32 | E-1412 | 140-1412 | E-2412 | 140-2412 |
| 3-1/4 | 3/16 | .463 | 2-3/4 | 9/32 | E-1413 | 140-1413 | E-2413 | 140-2413 |
| 3-1/2 | 3/16 | .463 | 3 | 9/32 | E-1414 | 140-1414 | E-2414 | 140-2414 |
| 3-3/4 | 3/16 | .463 | 3-1/4 | 9/32 | E-1415 | 140-1415 | E-2415 | 140-2415 |
| 4 | 3/16 | .463 | 3-1/2 | 9/32 | E-1416 | 140-1416 | E-2416 | 140-2416 |
| No. 5 RW TAPER - 5/8" DIAMETER | ||||||||
| 1-1/4 | 1/4 | .613 | 3/4 | 3/8 | E-1505/a> | 140-1505 | E-2505 | 140-2505 |
| 1-1/2 | 1/4 | .613 | 3/4 | 3/8 | E-1506 | 140-1506 | E-2506 | 140-2506 |
| 1-3/4 | 1/4 | .613 | 1 | 3/8 | E-1507 | 140-1507 | E-2507 | 140-2507 |
| 2 | 1/4 | .613 | 1-1/4 | 3/8 | E-1508 | 140-1508 | E-2508 | 140-2508 |
| 2-1/4 | 1/4 | .613 | 1-1/2 | 3/8 | E-1509 | 140-1509 | E-2509 | 140-2509 |
| 2-1/2 | 1/4 | .613 | 1-3/4 | 3/8 | E-1510 | 140-1510 | E-2510 | 140-2510 |
| 2-3/4 | 1/4 | .613 | 2 | 3/8 | E-1511 | 140-1511 | E-2511 | 140-2511 |
| 3 | 1/4 | .613 | 2-1/4 | 3/8 | E-1512 | 140-1512 | E-2512 | 140-2512 |
| 3-1/4 | 1/4 | .613 | 2-1/2 | 3/8 | E-1513 | 140-1513 | E-2513 | 140-2513 |
| 3-1/2 | 1/4 | .613 | 2-3/4 | 3/8 | E-1514 | 140-1514 | E-2514 | 140-2514 |
| 3-3/4 | 1/4 | .613 | 3 | 3/8 | E-1515 | 140-1515 | E-2515 | 140-2515 |
| 4 | 1/4 | .613 | 3-1/4 | 3/8 | E-1516 | 140-1516 | E-2516 | 140-2516 |
| No. 6 RW TAPER - 3/4" DIAMETER | ||||||||
| 2 | 9/32 | .731 | 1-1/4 | 7/16 | E-1608 | 140-1608 | E-2608 | 140-2608 |
| 2-1/2 | 9/32 | .731 | 1-3/4 | 7/16 | E-1608 | 140-1610 | E-2610 | 140-2610 |
| 3 | 9/32 | .731 | 2-1/4 | 7/16 | E-1612 | 140-1612 | E-2612 | 140-2612 |
| 3-1/2 | 9/32 | .731 | 2-3/4 | 7/16 | E-1614 | 140-1614 | E-2614 | 140-2614 |
| 4 | 9/32 | .731 | 3-1/4 | 7/16 | E-1616 | 140-1616 | E-2616 | 140-2616 |
| No. 7 RW TAPER - 7/8" DIAMETER | ||||||||
| 2 | 5/16 | .844 | 1-1/4 | 1/2 | E-1708 | 140-1708 | E-2708 | 140-2708 |
| 2-1/2 | 5/16 | .844 | 1-3/4 | 1/2 | E-1710 | 140-1710 | E-2710 | 140-2710 |
| 3 | 5/16 | .844 | 2-1/4 | 1/2 | E-1712 | 140-1712 | E-2712 | 140-2712 |
| 3-1/2 | 5/16 | .844 | 2-3/4 | 1/2 | E-1714 | 140-1714 | E-2714 | 140-2714 |
| 4 | 5/16 | .844 | 3-1/2 | 1/2 | E-1716 | 140-1716 | E-2716 | 140-2716 |

| RADIUS FACED (F) | ||||||||
|---|---|---|---|---|---|---|---|---|
| A Overall Length | D Gauging Dia. | E Water Hole Depth | F Water Hole Dia. | R Nose Radius | RWMA CLASS 1 Description | RWMA CLASS 1 Part Num | RWMA CLASS 2 Description | RWMA CLASS 2 Part Num |
| No. 4 RW TAPER - 1/2" DIAMETER | ||||||||
| 1 | .463 | 1/2 | 9/32 | 2 | F-1404 | 141-1404 | F-2404 | 141-2404 |
| 1-1/4 | .463 | 3/4 | 9/32 | 2 | F-1405 | 141-1405 | F-2405 | 141-2405 |
| 1-1/2 | .463 | 1 | 9/32 | 2 | F-1406 | 141-1406 | F-2406 | 141-2406 |
| 1-3/4 | .463 | 1-1/4 | 9/32 | 2 | F-1407 | 141-1407 | F-2407 | 141-2407 |
| 2 | .463 | 1-1/2 | 9/32 | 2 | F-1408 | 141-1408 | F-2408 | 141-2408 |
| 2-1/4 | .463 | 1-3/4 | 9/32 | 2 | F-1409 | 141-1409 | F-2409 | 141-2409 |
| 2-1/2 | .463 | 2 | 9/32 | 2 | F-1410 | 141-1410 | F-2410 | 141-2410 |
| 2-3/4 | .463 | 2-1/4 | 9/32 | 2 | F-1411 | 141-1411 | F-2411 | 141-2411 |
| 3 | .463 | 2-1/2 | 9/32 | 2 | F-1412 | 141-1412 | F-2412 | 141-2412 |
| 3-1/4 | .463 | 2-3/4 | 9/32 | 2 | TP-24A | 141-1413 | F-2413 | 141-2413 |
| 3-1/2 | .463 | 3 | 9/32 | 2 | F-1414 | 141-1414 | F-2414 | 141-2414 |
| 3-3/4 | .463 | 3-1/4 | 9/32 | 2 | F-1415 | 141-1415 | F-2415 | 141-2415 |
| 4 | .463 | 3-1/2 | 9/32 | 2 | F-1416 | 141-1416 | F-2416 | 141-2416 |
| No. 5 RW TAPER - 5/8" DIAMETER | ||||||||
| 1-1/4 | .613 | 3/4 | 3/8 | 2 | F-1505 | 141-1505 | F-2505 | 141-2505 |
| 1-1/2 | .613 | 3/4 | 3/8 | 2 | F-1506 | 141-1506 | F-2506 | 141-2506 |
| 1-3/4 | .613 | 1 | 3/8 | 2 | F-1507 | 141-1507 | F-2507 | 141-2507 |
| 2 | .613 | 1-1/4 | 3/8 | 2 | F-1508 | 141-1508 | F-2508 | 141-2508 |
| 2-1/4 | .613 | 1-1/2 | 3/8 | 2 | F-1509 | 141-1509 | F-2509 | 141-2509 |
| 2-1/2 | .613 | 1-3/4 | 3/8 | 2 | F-1510 | 141-1510 | F-2510 | 141-2510 |
| 2-3/4 | .613 | 2 | 3/8 | 2 | F-1511 | 141-1511 | F-2511 | 141-2511 |
| 3 | .613 | 2-1/4 | 3/8 | 2 | F-1512 | 141-1512 | F-2512 | 141-2512 |
| 3-1/4 | .613 | 2-1/2 | 3/8 | 2 | F-1513 | 141-1513 | F-2513 | 141-2513 |
| 3-1/2 | .613 | 2-3/4 | 3/8 | 2 | F-1514 | 141-1514 | F-2514 | 141-2514 |
| 3-3/4 | .613 | 3 | 3/8 | 2 | F-1515 | 141-1515 | F-2515 | 141-2515 |
| 4 | .613 | 3-1/4 | 3/8 | 2 | F-1516 | 141-1516 | F-2516 | 141-2516 |
| No. 6 RW TAPER - 3/4" DIAMETER | ||||||||
| 2 | .731 | 1-1/4 | 7/16 | 4 | F-1608 | 141-1608 | F-2608 | 141-2608 |
| 2-1/2 | .731 | 1-3/4 | 7/16 | 4 | F-1610 | 141-1610 | F-2610 | 141-2610 |
| 3 | .731 | 2-1/4 | 7/16 | 4 | F-1612 | 141-1612 | F-2612 | 141-2612 |
| 3-1/2 | .731 | 2-3/4 | 7/16 | 4 | F-1614 | 141-1614 | F-2614 | 141-2614 |
| 4 | .731 | 3-1/4 | 7/16 | 4 | F-1616 | 141-1616 | F-2616 | 141-2616 |
| No. 7 RW TAPER - 7/8" DIAMETER | ||||||||
| 2 | .844 | 1-1/4 | 1/2 | 6 | F-1708 | 141-1708 | F-2708 | 141-2708 |
| 2-1/2 | .844 | 1-3/4 | 1/2 | 6 | F-1710 | 141-1710 | F-2710 | 141-2710 |
| 3 | .844 | 2-1/4 | 1/2 | 6 | F-1712 | 141-1712 | F-2712 | 141-2712 |
| 3-1/2 | .844 | 2-3/4 | 1/2 | 6 | F-1714 | 141-1714 | F-2714 | 141-2714 |
| 4 | .844 | 3-1/2 | 1/2 | 6 | F-1716 | 141-1716 | F-2716 | 141-2716 |

| ANGLED NOSE (H) | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| RWMA Alloy Class No. | Part Number | Part Description | RWMA Taper No. | Major Diameter (in) | Overall Length (in) | Weld Face Diameter (in) | Gauging Dia. (in) | Water Hole Depth (in) | Water Hole Dia. (in) |
| A | C | D | E | F | |||||
| 2 (CuCr) | 145-2408 | H-2408-30 | 4 | 1/2 | 2 | 1/4 | 0.463 | 1-6/11 | 9/32 |
| 2 (CuCr) | 145-2412 | H-2412-30 | 4 | 1/2 | 3 | 1/4 | 0.463 | 2-6/11 | 9/32 |
| 2 (CuCr) | 145-2416 | H-2416-30 | 4 | 1/2 | 4 | 1/4 | 0.463 | 3-6/11 | 9/32 |
| 2 (CuCr) | 145-2508 | H-2508-30 | 5 | 5/8 | 2 | 3/8 | 0.613 | 1-3/10 | 3/8 |
| 2 (CuCr) | 145-2512 | H-2512-30 | 5 | 5/8 | 3 | 3/8 | 0.613 | 2-3/10 | 3/8 |
| 2 (CuCr) | 145-2516 | H-2516-30 | 5 | 5/8 | 4 | 3/8 | 0.613 | 3-3/10 | 3/8 |