Carr Lane SF-20-5-.0177 | 5/16″ OD x 5/16″ Length Slip/Fixed Renewable Bushing

Description

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)
1/64-1/16, #80-#53, .35-1.60mm5/64-3/16, #52-#10, 1.65-4.90mm	5/16″	5/16″	35/64″	1/4″	1/8″	11/64″	65°	5/8″	1/2″