Standard and Metric keyways
Series 500 and 600 Standard Keyway Broach Chart
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Standard 500 and 600 series keyway broaches.
Order broaches by numbers found in first column. If this chart does not include a cutter that meets your specifications, simply order keyway broach, stating size of keyway and hole, material to be broached and length of part. Standard and special blanks are normally stocked in all sizes.

*
500
Series		 **
600
Series		 "A" Keyway Width
Min.
Hole
Size
Min.
Length
Cut
Max.
Length
Cut		 B
Width
of 
Body		 C
Total
Broach 
Length		 D
Height
@ Last 
Tooth		 E
Height
@ First 
Tooth		 F
Length
of 
Shank		 G
Depth
in 
Part
No.
of 
Cuts		 Thread
Size 
Nom. Dec. Tol.
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 7/8 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 11/16 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 7/16 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 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 2 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 1/2 1 8 .624 48 1.377 1.246 16 1/2 .261 2 3/4-10
525 625 9/16 .5645 +/-.0003 1 3/4 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 2 1/4 1 1/8 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 2 1/2 1 8 .874 54 1.657 1.495 16 3/8 .324 2 1-8
530 630 5/8 .627 +/-.0003 2 1/4 1 1/8 12 .874 57 1.657 1.495 20 .324 2 1-8
531 631 3/4 .752 +/-.0003 1 7/8 11/16 4 .874 60 1.625 1.239 12 3/16 .386 1 1-8
532 632 3/4 .752 +/-.0003 2 1 8 .999 60 1.688 1.495 16 1/4 .386 2 1 1/4-7
533 633 3/4 .752 +/-.0003 2 1/4 1 1/8 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 1/4 1 8 1.124 63 1.719 1.494 15 3/4 .499 2 1 1/4-7
536 636 7/8 .877 +/-.0003 2 1/4 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 1/2-6
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 1/2-6
539 639 1 1.002 +/-.0003 2 1/4 1 1/8 12 1.249 60 1.750 1.580 20 .511 3 1 1/2-6

 

Metric Standard Keyways available upon request.