Keyway Broaches

American Broach, manufacturer of all types of broach machines and tooling to produce keyways including, keyway broach tools, workhorns, single spline pull broaches and arbors with inserts and pullers.

SPECIFY ON ORDER WHETHER NOTCHED OR THREADED SHANK DESIRED
Keyway Broaches (Chart in Inches) Keyway Broaches (Chart in Metric) *Minimum length of part recommended to prevent part from dropping between teeth of broach. † In Stock †† Diameter - Threads per Inch.

500
Series
600
Series
A (keyway width) Toler-
ance.
Min.
Hole
Size
*Min.
Length
Cut
Max
Length
Cut
B C D E F G No.
of
Cuts.
Thread Size††
Nominal Decimal
501 601 1/16 .0635 +/- .0002 3/8 3/8 1-1/4 .1552 20 .313 .271 7-13/16 .042 1 1/4 -20
502 602 3/32 .0948 +/- .0002 7/16 1/2 1-1/2 .1865 24 .367 .309 8-1/4 .058 1 5/16-18
503 603 3/32 .0948 +/- .0002 5/8 5/8 2-1/2 .249 33 .491 .433 10 .058 1 3/8-16
† 504 † 604 1/8 .126 +/- .0002 1/2 1/2 1-1/2 .249 30 .438 .364 9 .074 1 3/8-16
505 605 1/8 .126 +/- .0002 11/16 5/8 2-1/2 .3115 36 .594 .520 10 .074 1 1/2-13
506 606 5/32 .1572 +/- .0002 19/32 1/2 1-1/2 .249 30 .525 .436 9 .089 1 3/8-16
507 607 5/32 .1572 +/- .0002 23/32 5/8 2-1/2 .3115 33 .625 .536 10 .089 1 1/2-13
†508 †608 3/16 .1885 +/- .0002 11/16 5/8 2-1/2 .374 36 .581 .476 10 .105 1 1/2-13
509 609 3/16 .1885 +/- .0002 15/16 11/16 3-1/2 .374 36 .796 .691 10-11/16 .105 1 1/2-13
510 610 7/32 .2198 +/- .0002 11/16 5/8 2-1/2 .374 33 .557 .437 10 .120 1 1/2-13
511 611 7/32 .2198 +/- .0002 15/16 11/16 3-1/2 .374 42 .813 .693 11-1/16 .120 1 1/2-13
†512 †612 1/4 .251 +/- .0002 3/4 5/8 2-1/2 .374 36 .612 .476 10 .136 1 1/2-13
†513 †613 1/4 .251 +/- .0002 1 11/16 4 .499 45 .877 .741 11-13/16 .136 1 5/8-11
514 614 1/4 .251 +/- .0002 1-3/8 7/8 6 .624 51 1.250 1.114 13-1/2 .136 1 3/4-10
515 615 9/32 .2828 +/- .0002 7/8 11/16 4 .499 42 .716 .564 11-5/8 .152 1 5/8-11
516 616 9/32 .2828 +/- .0002 1-1/4 7/8 6 .499 51 1.093 .941 13-1/2 .152 1 5/8-11
†517 †617 5/16 .314 +/- .0002 1-1/16 11/16 4 .499 45 .908 .741 11-13/16 .167 1 5/8-11
518 618 5/16 .314 +/- .0002 1-5/16 7/8 6 .499 51 1.158 .991 13-1/2 .167 1 5/8-11
†519 †619 3/8 .3765 +/- .0002 1-1/16 11/16 4 .499 45 .938 .739 11-13/16 .199 1 5/8-11
520 620 3/8 .3765 +/- .0002 1-5/16 7/8 6 .499 54 1.189 .990 13-1/2 .199 1 5/8-11
521 621 7/16 .439 +/- .0002 1-9/16 11/16 4 .624 48 1.390 1.160 12 .230 1 3/4-10
522 622 7/16 .439 +/- .0002 1-3/4 1 8 .624 48 1.611 1.496 15-5/8 .230 2 3/4-10
†523 †623 1/2 .5015 +/- .0002 1-1/2 11/16 4 .624 48 1.312 1.051 12 .261 1 3/4-10
†524 †624 1/2 .5015 +/- .0002 1-9/16 1 8 .624 48 1.377 1.246 16-1/2 .261 2 3/4-10
525 625 9/16 .5645 +/- .0002 1-11/16 11/16 4 .6865 54 1.438 1.146 11-13/16 .292 1 1-8
526 626 9/16 .5645 +/- .0003 1-5/8 1 8 .6865 51 1.391 1.245 16 .292 2 1-8
527 627 9/16 .5645 +/- .0003 1-15/16 1-1/2 12 .874 60 1.641 1.495 20 .292 2 1-8
528 628 5/8 .627 +/- .0003 1-7/8 11/16 4 .749 60 1.625 1.301 12-3/16 .324 1 1-8
529 629 5/8 .627 +/- .0003 1-15/16 1 8 .874 54 1.657 1.495 16-3/8 .324 2 1-8
530 630 5/8 .627 +/- .0003 1-15/16 1-1/8 12 .874 57 1.657 1.495 20 .324 2 1-8
531 631 3/4 .752 +/- .0003 1-15/16 11/16 4 .874 60 1.625 1.239 12-3/16 .386 1 1-8
532 632 3/4 .752 +/- .0003 2-1/16 1 8 .999 60 1.688 1.495 16-1/4 .386 2 1-1/4 -7
533 633 3/4 .752 +/- .0003 2-1/16 1-1/2 12 .999 57 1.688 1.560 20 .386 3 1-1/4 -7
534 634 7/8 .877 +/- .0003 2-1/4 11/16 4 1.124 63 1.875 1.426 12-3/8 .449 1 1-1/4 -7
535 635 7/8 .877 +/- .0003 2-1/8 1 8 1.124 63 1.719 1.495 15-1/4 .449 2 1-1/4 -7
536 636 7/8 .877 +/- .0003 2-1/8 1-1/8 12 1.124 63 1.719 1.569 20 .449 3 1-1/4 -7
537 637 1 1.002 +/- .0003 2-1/4 5/8 2-1/2 1.249 63 1.750 1.239 10-1/2 .511 1 1-1/2 -8
538 638 1 1.002 +/- .0003 2-1/4 7/8 6 1.249 63 1.750 1.494 14-1/4 .511 2 1-1/2 -8
539 639 1 1.002 +/- .0003 2-1/4 1-1/8 12 1.249 60 1.750 1.580 20 .511 3 1-1/2 -8