Thread

Drill Bit

Shank

Bottoming

Chamfer

Plug Chamfer

Taper Chamfer

Size Lg. Overall

Lg. Size Decimal Size

Equivalent No. of

Flutes Thread

Type Pitch

Dia. Limit Dia. Dia. Tolerance Each Each Each

Uncoated High-Speed Steel

6-32 11/16" 6" 36 ga. 0.1065" 3 UNC H3 0.141" -0.0313" to 0.0313" ______ __ 2582A12 $41.32 ______ __

6-32 11/16" 6" 7/64" 0.1094" 3 UNC H3 0.141" -0.0015" to 0" ______ __ ______ __ 2582A464 $41.32

6-32 11/16" 6" 7/64" 0.1094" 3 UNC H3 0.141" -0.0313" to 0.0313" 2582A433 $41.32 ______ __ ______ __

8-32 3/4" 6" No. 29 0.136" 4 UNC H3 0.168" -0.0015" to 0" ______ __ ______ __ 2582A465 50.44

8-32 3/4" 6" No. 29 0.136" 4 UNC H3 0.168" -0.0313" to 0.0313" 2582A434 41.32 ______ __ ______ __

8-32 3/4" 6" 29 ga. 0.136" 4 UNC H3 0.168" -0.0313" to 0.0313" ______ __ 2582A13 41.32 ______ __

10-24 7/8" 6" 25 ga. 0.1495" 4 UNC H3 0.194" -0.0313" to 0.0313" ______ __ 2582A14 42.56 ______ __

10-24 7/8" 6" No. 24 0.152" 4 UNC H3 0.194" -0.0015" to 0" ______ __ ______ __ 2582A466 42.56

10-24 7/8" 6" No. 24 0.152" 4 UNC H3 0.194" -0.0313" to 0.0313" 2582A435 42.56 ______ __ ______ __

10-32 7/8" 6" 21 ga. 0.159" 4 UNF H3 0.194" -0.0313" to 0.0313" ______ __ 2582A16 42.56 ______ __

10-32 7/8" 6" No. 20 0.161" 4 UNF H3 0.194" -0.0015" to 0" ______ __ ______ __ 2582A467 42.56

10-32 7/8" 6" No. 20 0.161" 4 UNF H3 0.194" -0.0313" to 0.0313" 2582A436 42.56 ______ __ ______ __

1/4"-20 1" 6" No. 6 0.24" 4 UNC H3 0.255" -0.0313" to 0.0313" 2582A437 42.20 ______ __ ______ __

1/4"-20 1" 6" 7 ga. 0.201" 4 UNC H3 0.255" -0.031" to 0.031" ______ __ 2582A31 35.57 ______ __

1/4"-20 1 5/8" 5" 7 ga. 0.201" 4 UNC H3 0.185" -0.003" to 0" ______ __ 2583A12 56.60 2582A491 56.60

1/4"-28 1" 6" 3 ga. 0.213" 4 UNF H3 0.255" -0.031" to 0.031" ______ __ 2582A32 35.57 ______ __

1/4"-28 1" 6" 5.5 mm 0.2164" 4 UNF H3 0.255" -0.0015" to 0" ______ __ ______ __ 2582A468 42.20

1/4"-28 1" 6" 7/32" 0.2188" 4 UNF H3 0.255" -0.0313" to 0.0313" 2582A438 42.40 ______ __ ______ __

1/4"-28 1 1/4" 5" 7/32" 0.2188" 4 UNF H3 0.185" -0.003" to 0" ______ __ 2582A485 56.60 2582A492 56.60

5/16"-18 1 1/8" 6" F 0.257" 4 UNC H3 0.318" -0.031" to 0.031" ______ __ 2582A33 38.08 ______ __

5/16"-18 1 1/8" 6" G 0.261" 4 UNC H3 0.318" -0.0313" to 0.0313" 2582A439 42.94 ______ __ ______ __

5/16"-18 1 1/8" 8" F 0.257" 4 UNC H3 0.318" -0.031" to 0.031" 2582A413 44.87 2582A411 44.90 ______ __

5/16"-18 1 13/16" 5 1/2" F 0.257" 4 UNC H3 0.24" -0.003" to 0" ______ __ 2583A13 63.89 2582A493 63.89

5/16"-24 1 1/8" 6" I 0.272" 4 UNF H3 0.318" -0.031" to 0.031" ______ __ 2582A34 36.93 ______ __

5/16"-24 1 1/8" 6" 7 mm 0.2756" 4 UNF H3 0.318" -0.0015" to 0" ______ __ ______ __ 2582A469 42.94

5/16"-24 1 1/8" 6" 7 mm 0.2756" 4 UNF H3 0.318" -0.0313" to 0.0313" 2582A441 42.94 ______ __ ______ __

3/8"-16 1 1/4" 6" 5/16" 0.3125" 4 UNC H3 0.381" -0.031" to 0.031" ______ __ 2582A35 40.57 ______ __

3/8"-16 1 1/4" 6" 8.1 mm 0.3188" 4 UNC H3 0.381" -0.0313" to 0.0313" 2582A442 45.60 ______ __ ______ __

3/8"-16 1 1/4" 8" 5/16" 0.3125" 4 UNC H3 0.381" -0.031" to 0.031" 2582A414 52.94 2582A412 52.94 ______ __

3/8"-16 2" 6" 5/16" 0.3125" 4 UNC H3 0.294" -0.003" to 0" ______ __ 2583A14 75.39 2582A494 75.39

3/8"-24 1 1/4" 6" Q 0.332" 4 UNF H3 0.381" -0.031" to 0.031" ______ __ 2582A36 37.00 ______ __

3/8"-24 1 1/4" 6" 8.6 mm 0.3385" 4 UNF H3 0.381" -0.0015" to 0" ______ __ ______ __ 2582A471 45.60

3/8"-24 1 1/4" 6" 8.6 mm 0.3385" 4 UNF H3 0.381" -0.0313" to 0.0313" 2582A443 45.60 ______ __ ______ __

7/16"-14 1 7/16" 6" U 0.368" 4 UNC H3 0.323" -0.0313" to 0.0313" ______ __ 2582A17 49.30 ______ __

7/16"-14 1 7/16" 6" 9.5 mm 0.374" 4 UNC H3 0.323" -0.0313" to 0.0313" 2582A444 49.30 ______ __ ______ __

7/16"-20 1 7/16" 6" 25/64" 0.3906" 4 UNF H3 0.323" -0.0313" to 0.0313" 2582A445 49.30 2582A18 49.30 ______ __

1/2"-13 1 21/32" 6" 27/64" 0.4219" 4 UNC H3 0.367" -0.0313" to 0.0313" ______ __ 2582A19 61.94 ______ __

1/2"-13 1 21/32" 6" 11 mm 0.4331" 4 UNC H3 0.367" -0.0313" to 0.0313" 2582A446 61.94 ______ __ ______ __

1/2"-13 2 1/2" 7" 27/64" 0.4219" 4 UNC H3 0.4" -0.003" to 0" ______ __ 2583A16 102.19 2582A496 102.19

1/2"-20 1 21/32" 6" 29/64" 0.4531" 4 UNF H3 0.367" -0.0313" to 0.0313" ______ __ 2582A21 61.94 ______ __

1/2"-20 1 7/8" 7" 29/64" 0.4531" 4 UNF H3 0.4" -0.003" to 0" ______ __ ______ __ 2582A497 102.19

9/16"-12 1 21/32" 6" 15/32" 0.4688" 4 UNC H3 0.429" -0.0313" to 0.0313" ______ __ 2582A415 66.46 ______ __

9/16"-12 1 21/32" 6" 12.2 mm 0.4803" 4 UNC H3 0.429" -0.0313" to 0.0313" 2582A447 66.46 ______ __ ______ __

9/16"-12 1 21/32" 6" 31/64" 0.4844" 4 UNC H3 0.429" -0.0015" to 0" ______ __ ______ __ 2582A473 66.46

9/16"-18 1 21/32" 6" 13 mm 0.5118" 4 UNF H3 0.429" -0.0015" to 0" ______ __ ______ __ 2582A474 66.46

9/16"-18 1 21/32" 6" 13 mm 0.5118" 4 UNF H3 0.429" -0.0313" to 0.0313" 2582A448 66.46 2582A416 66.46 ______ __

5/8"-11 1 13/16" 6" 17/32" 0.5313" 4 UNC H3 0.48" -0.0313" to 0.0313" ______ __ 2582A22 73.30 ______ __

5/8"-11 3" 8" 17/32" 0.5313" 4 UNC H3 0.503" -0.003" to 0" ______ __ 2583A17 116.38 2582A498 116.38

5/8"-18 1 13/32" 6" 37/64" 0.5781" 4 UNF H3 0.48" -0.0313" to 0.0313" 2582A449 73.30 ______ __ ______ __

5/8"-18 1 13/16" 6" 37/64" 0.5781" 4 UNF H3 0.48" -0.0313" to 0.0313" ______ __ 2582A23 73.30 ______ __

5/8"-18 2 1/4" 8" 9/16" 0.5687" 4 UNF H3 0.503" -0.003" to 0" ______ __ ______ __ 2582A499 116.38

3/4"-10 2" 6" 21/32" 0.6563" 4 UNC H3 0.59" -0.0313" to 0.0313" 2582A451 83.46 ______ __ ______ __

3/4"-10 3 1/4" 9" 21/32" 0.6563" 4 UNC H3 0.616" -0.003" to 0" ______ __ 2583A18 162.52 2582A511 162.52

3/4"-16 2 1/2" 9" 11/16" 0.6875" 4 UNF H3 0.616" -0.003" to 0" ______ __ 2582A486 162.52 2582A512 162.52

7/8"-9 3 5/8" 10" 49/64" 0.7656" 4 UNC H4 0.727" -0.003" to 0" ______ __ 2582A487 227.12 2582A513 227.12

7/8"-14 2 3/4" 10" 13/16" 0.8125" 4 UNF H4 0.727" -0.003" to 0" ______ __ 2582A488 227.12 ______ __

1"-8 4" 11" 7/8" 0.875" 4 UNC H4 0.834" -0.003" to 0" ______ __ 2583A19 303.48 2582A515 303.48

1"-14 3" 11" 23.5 mm 0.9274" 4 UNF H4 0.834" -0.003" to 0" ______ __ 2582A489 303.48 2582A516 303.48

Metric

Thread

Drill Bit

Shank

Bottoming

Chamfer

Plug Chamfer

Taper Chamfer

Size Pitch,

mm Lg. Overall

Lg. Size Decimal Size

Equivalent No. of

Flutes Thread

Type Pitch

Dia. Limit Dia. Dia. Tolerance Each Each Each

Uncoated High-Speed Steel

M3.5 0.6 11/16" 6" No. 32 0.116" 3 Metric D4 0.141" -0.0313" to 0.0313" 2582A452 $41.32 2582A418 $41.32 ______ __

M4 0.7 3/4" 6" 3.4 mm 0.1338" 4 Metric D4 0.168" -0.0313" to 0.0313" 2582A453 41.32 2582A419 41.32 ______ __

M4.5 0.75 7/8" 6" 3.8 mm 0.1535" 4 Metric D4 0.194" -0.0313" to 0.0313" ______ __ 2582A421 42.56 ______ __

M5 0.8 7/8" 6" 4.3 mm 0.1692" 4 Metric D4 0.194" -0.0015" to 0" ______ __ ______ __ 2582A478 $42.56

M5 0.8 7/8" 6" 4.3 mm 0.1692" 4 Metric D4 0.194" -0.0313" to 0.0313" 2582A455 42.56 ______ __ ______ __

M5 0.8 7/8" 6" No. 18 0.1695" 4 Metric D4 0.194" -0.0313" to 0.0313" ______ __ 2582A422 42.56 ______ __

M6 1 1" 6" 5.1 mm 0.2007" 4 Metric D5 0.255" -0.0015" to 0" ______ __ ______ __ 2582A479 42.20

M6 1 1" 6" 5.1 mm 0.2007" 4 Metric D5 0.255" -0.0313" to 0.0313" 2582A456 42.20 ______ __ ______ __

M6 1 1" 6" No. 7 0.201" 4 Metric D5 0.255" -0.0313" to 0.0313" ______ __ 2582A423 42.20 ______ __

M7 1 1 1/8" 6" 6.1 mm 0.2401" 4 Metric D5 0.318" -0.0015" to 0" ______ __ ______ __ 2582A481 42.94

M7 1 1 1/8" 6" 6.1 mm 0.2401" 4 Metric D5 0.318" -0.0313" to 0.0313" ______ __ 2582A424 42.94 ______ __

M8 1.25 1 1/8" 6" 6.9 mm 0.2716" 4 Metric D5 0.318" -0.0015" to 0" ______ __ ______ __ 2582A482 42.94

M8 1.25 1 1/8" 6" 6.9 mm 0.2716" 4 Metric D5 0.318" -0.0313" to 0.0313" 2582A458 42.94 2582A425 42.94 ______ __

M10 1.5 1 7/16" 6" R 0.339" 4 Metric D6 0.323" -0.0015" to 0" ______ __ ______ __ 2582A483 45.10

M10 1.5 1 7/16" 6" R 0.339" 4 Metric D6 0.323" -0.0313" to 0.0313" 2582A459 45.10 2582A426 45.10 ______ __

M12 1 1 21/32" 6" 7/16" 0.4375" 4 Metric D6 0.367" -0.0313" to 0.0313" ______ __ 2582A427 60.30 ______ __

M12 1.75 1 21/32" 6" 13/32" 0.4063" 4 Metric D6 0.367" -0.0313" to 0.0313" ______ __ 2582A428 60.30 ______ __

M12 1.75 1 21/32" 6" Z 0.413" 4 Metric D6 0.367" -0.0015" to 0" ______ __ ______ __ 2582A484 60.30

M12 1.75 1 21/32" 6" Z 0.413" 4 Metric D6 0.367" -0.0313" to 0.0313" 2582A461 60.30 ______ __ ______ __

M14 2 1 21/32" 6" 12.2 mm 0.4803" 4 Metric D7 0.429" -0.0313" to 0.0313" ______ __ 2582A429 66.46 ______ __

M16 2 1 13/32" 6" 14 mm 0.5512" 4 Metric D7 0.48" -0.0313" to 0.0313" 2582A462 73.30 2582A431 73.30 ______ __

M20 2.5 2" 6" 45/64" 0.7031" 4 Metric D7 0.652" -0.0313" to 0.0313" 2582A463 91.58 2582A432 91.58 ______ __