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Slip/Fixed Renewable Bushings (SF)
drill bushings are replaceable bushings generally used with a liner bushing and lockscrew. Use SF bushings when you expect to replace bushings during the tooling's lifetime, or to switch bushings to perform multi-step operations with the same tooling. SF bushings combine the benefits of older S-type slip-renewable and F-type fixed renewable bushings: one side of SF drill bushings feature a lockscrew recess for fixed mounting; the other has a locking recess that allows the bushing to slip down, then rotate to lock in place. S and F types are now obsolete, and combination SF drill bushings will be supplied at no extra charge.
Application Information
These replaceable bushings are generally used with a liner bushing and lockscrew.
ID Tolerance
Standard ID Tolerance:From #80 to 1/4" +0.0001/+0.0004
Over 1/4 to 3/4" +0.0001/+0.0005
Over 3/4 to 1-1/2" +0.0002/+0.0006
Over 1-1/2 and up +0.0003/+0.0007
Reamer ID Tolerance (Special):From #80 to 1/4" +0.0005/+0.0008
Over 1/4 to 3/4" +0.0006/+0.0010
Over 3/4 to 1-1/2" +0.0008/+0.0012
OD Tolerance
Standard OD Tolerance:3/16 to 1" 0/-0.0002
No-Counterbore Option on Long Bushings
Extremely long bushings with a small ID size are counterbored according to ANSI standards for proper drill-bearing length to eliminate binding and heat buildup. Add "-NCB" for applications that require these bushings without a counterbore.
Material
| Material | Heat Treat | Finish | DFARS | RoHS |
| 1144 Stressproof Steel | Heat treated to achieve Rc 62-64 ID hardness | - | Yes | Yes |
Parts Specification
| Standard Drill Sizes (mm) | OD (Inch) | Length (Inch) | F Diameter (Inch) | G (Inch) | H (Inch) | J (Inch) | L (Degree) | M (Inch) | R (Inch) |
| 15/32-25/32, 12.00-19.50mm | 1" | 1/2" | 1-27/64" | 3/8" | 3/16" | 19/32" | 35° | 1-7/64" | 59/64" |
Warning:
This Product Can Expose You To Materials And/Or Chemicals Including Arsenic, Lead, And Other Materials And/Or Chemicals Which Are Known To The State Of California To Cause Cancer And/Or Reproductive Harm. For more information, visit www.P65Warnings.ca.gov