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Extended Range Bushings
Slip-Fixed Renewable
Type SF

  • The "Two-in-One" Bushing: Fixed mode and slip position options on one knurled head! — flexibility lowers your inventory costs
  • Knurled head for easier handling — just turn and lift
  • Used with liner, permanently pressed into drill jig
  • Fixed mode for runs longer than life of bushing. Held in place by lockscrew or clamp which fits a milled recess in the head
  • Slip mode for multiple operations in the same holes (such as drilling followed by reaming) — without disturbing the workpiece
  • O.D. has a slip fit tolerance for easy insertion or removal from the liner

Extended Range Bushings with a ground O.D. are concentric within .0005" T.I.R.

The price code is listed below the ANSI designation for each Extended Range Bushing and applies to standard drill sizes only. Special Extended Range Bushings will be priced on request.

Extended Range Bushings are not returnable.

No-Counterbore bushings are standard with ACME.

   

I.D. Range (Drill Size) Std. I.D. Tolerance
(add to nom I.D.)
Over 1-1/2 to 2-3/4 +.0003 to +.0007

A
I.D.
Range 		1.0937
to
1.5312		 1.5000
to
2.0312		 1.5000
to
2.2812		 1.7500
to
2.5312		 2.2500
to
2.6250		 2.2500
to
2.8750		 2.6250
to
2.8750		 2.5000
to
3.1250		 2.7500
to
3.2500		 3.0000
to
3.5000		 3.0000
to
3.6250		 3.3750
to
3.7500		 3.3750
to
4.0000		 3.6250
to
4.2500

B
O.D.

2.0000
1.9996		 2.5000
2.4996		 2.7500
2.7496		 3.0000
2.9996		 3.2500
3.2496		 3.3750
3.3746		 3.5000
3.4996		 3.7500
3.7496		 4.0000
3.9996		 4.2500
4.2496		 4.3750
4.3746		 4.5000
4.4996		 4.7500
4.7496		 5.0000
4.9996
L
E
N
G
T
H

C		 3/4 SF128-12
326		 SF160-12
382		 SF176-12
406		 SF192-12
438		 SF208-12
442		 SF216-12
447		 SF224-12
451		 SF240-12
455		 SF256-12
470		 SF272-12
475		 SF280-12
481		 SF288-12
489		 SF304-12
497		 SF320-12
506
1 SF128-16
330		 SF160-16
387		 SF176-16
415		 SF192-16
443		 SF208-16
448		 SF216-16
453		 SF224-16
458		 SF240-16
462		 SF256-16
473		 SF272-16
481		 SF280-16
487		 SF288-16
495		 SF304-16
502		 SF320-16
514
1-1/4 SF128-20
335		 SF160-20
394		 SF176-20
419		 SF192-20
448		 SF208-20
454		 SF216-20
460		 SF224-20
464		 SF240-20
467		 SF256-20
480		 SF272-20
487		 SF280-20
493		 SF288-20
500		 SF304-20
507		 SF320-20
521
1-1/2 SF128-24
337		 SF160-24
400		 SF176-24
431		 SF192-24
454		 SF208-24
460		 SF216-24
466		 SF224-24
471		 SF240-24
474		 SF256-24
486		 SF272-24
492		 SF280-24
498		 SF288-24
505		 SF304-24
512		 SF320-24
529
1-3/4 SF128-28
338		 SF160-28
408 		SF176-28
439		 SF192-28
459 		SF208-28
467		 SF216-28
473		 SF224-28
477		 SF240-28
482		 SF256-28
492		 SF272-28
500		 SF280-28
504		 SF288-28
511		 SF304-28
519		 SF320-28
537
2 SF128-32
350		 SF160-32
417		 SF176-32
445		 SF192-32
465		 SF208-32
472		 SF216-32
481		 SF224-32
485		 SF240-32
489		 SF256-32
498		 SF272-32
506		 SF280-32
509		 SF288-32
517		 SF304-32
525		 SF320-32
545
2-1/8 SF128-34
354		 SF160-34
426		 SF176-34
451		                      
2-1/4 SF128-36
365		 SF160-36
429		 SF176-36
455		 SF192-36
470		 SF208-36
480		 SF216-36
489		 SF224-36
493		 SF240-36
497		 SF256-36
505		 SF272-36
512		 SF280-36
517		 SF288-36
525		 SF304-36
533		 SF320-36
550
2-1/2 SF128-40
370		 SF160-40
438		 SF176-40
460		 SF192-40
476		 SF208-40
486		 SF216-40
497		 SF224-40
500		 SF240-40
504		 SF256-40
511		 SF272-40
520		 SF280-40
525		 SF288-40
533		 SF304-40
541		 SF320-40
555
2-3/4 SF128-44
380		 SF160-44
444		 SF176-44
466		 SF192-44
483		 SF208-44
494		 SF216-44
504		 SF224-44
507		 SF240-44
512		 SF256-44
519		 SF272-44
528		 SF280-44
534		 SF288-44
541		 SF304-44
548		 SF320-44
564
3 SF128-48
387		 SF160-48
448		 SF176-48
470		 SF192-48
489		 SF208-48
500		 SF216-48
512		 SF224-48
516		 SF240-48
521		 SF256-48
527		 SF272-48
536		 SF280-48
542		 SF288-48
548		 SF304-48
552		 SF320-48
573
3-1/4 SF128-52
398		 SF160-52
454		 SF176-52
474		 SF192-52
497		 SF208-52
509		 SF216-52
522		 SF224-52
527		 SF240-52
526		 SF256-52
536		 SF272-52
543		 SF280-52
549		 SF288-52
553		 SF304-52
561		 SF320-52
582
3-1/2 SF128-56
406		 SF160-56
459		 SF176-56
479		 SF192-56
503		 SF208-56
517		 SF216-56
532		 SF224-56
536		 SF240-56
541		 SF256-56
543		 SF272-56
550		 SF280-56
555		 SF288-56
562		 SF304-56
570		 SF320-56
593
3-3/4 SF128-60
413		 SF160-60
463		 SF176-60
485		 SF192-60
510		 SF208-60
526		 SF216-60
542		 SF224-60
545		 SF240-60
549		 SF256-60
551		 SF272-60
556		 SF280-60
566		 SF288-60
574		 SF304-60
581		 SF320-60
601
4 SF128-64
419		 SF160-64
466		 SF176-64
489		 SF192-64
519		 SF208-64
534		 SF216-64
548		 SF224-64
551		 SF240-64
553		 SF256-64
557		 SF272-64
564		 SF280-64
577		 SF288-64
585		 SF304-64
592		 SF320-64
609
4-1/4 SF128-68
424		 SF160-68
471		 SF176-68
494		 SF192-68
528		 SF208-68
542		 SF216-68
551		 SF224-68
556		 SF240-68
564		 SF256-68
569		 SF272-68
578		 SF280-68
589		 SF288-68
595		 SF304-68
601		 SF320-68
614
4-1/2 SF128-72
430		 SF160-72
477		 SF176-72
498		 SF192-72
538		 SF208-72
549		 SF216-72
556		 SF224-72
565		 SF240-72
574		 SF256-72
581		 SF272-72
590		 SF280-72
597		 SF288-72
603		 SF304-72
610		 SF320-72
628
4-3/4 SF128-76
436		 SF160-76
483		 SF176-76
503		 SF192-76
546		 SF208-76
552		 SF216-76
563		 SF224-76
574		 SF240-76
584		 SF256-76
592		 SF272-76
598		 SF280-76
605		 SF288-76
612		 SF304-76
618		 SF320-76
637
5 SF128-80
441		 SF160-80
490		 SF176-80
511		 SF192-80
552		 SF208-80
560		 SF216-80
570		 SF224-80
583		 SF240-80
593		 SF256-80
599		 SF272-80
606		 SF280-80
613		 SF288-80
620		 SF304-80
628		 SF320-80
643
5-1/2           SF216-88
584		 SF224-88
599		 SF240-88
606		 SF256-88
615		 SF272-88
622 		SF280-88
630		 SF288-88
637		 SF304-88
642		 SF320-88
652
Head Size   F 2-9/16 3-1/16 3-7/16 3-11/16 3-15/16 4-1/16 4-3/16 4-9/16 4-13/16 5-1/16 5-3/16 5-5/16 5-9/16 5-13/16
G 3/8 3/8 7/16 7/16 7/16 7/16 7/16 7/16 1/2 1/2 1/2 1/2 1/2 1/2
H 3/16 3/16 7/32 7/32 7/32 7/32 7/32 7/32 1/4 1/4 1/4 1/4 1/4 1/4
J 1-1/8 1-3/8 1-35/64 1-43/64 1-51/64 1-55/64 1-59/64 2-7/64 2-15/64 2-23/64 2-27/64 2-31/64 2-39/64 2-47/64
R 1-33/64 1-49/64 1-15/16 2-1/16 2-3/16 2-1/4 2-5/16 2-1/2 2-5/8 2-3/4 2-13/16 2-7/8 3 3-1/8
Lock Screw   3A-LS 3A-LS 4A-LS 4A-LS 4A-LS 4A-LS 4A-LS 4A-LS 5A-LS 5A-LS 5A-LS 5A-LS 5A-LS 5A-LS

Keylocking Inserts
Swage-Sert™ Inserts
Precision Bushings
Keylocking Studs



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