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Embedment Bushings
For Use In Soft Materials

Type DG

The Diamond-Groove type (DG) has a special knurl that provides superior holding strength in potting compounds and castable materials. The number of grooves is dependent on the length of the bushing.

Type SG

The Ser-Groove (SG) bushing consists of a serration that permits the bushing to be pressed into a jig or fixture made of soft material or laminated fiberglass while maintaining its holding strength.

Type SL

The Spline-Lock (SL) type bushing features a partially serrated and partially ground outside diameter. This configuration enables the bushing to be pressed into soft metals or wood.


A
I.D. Range (Std. Drill Sizes)
B
Body O.D.
C
Length (Overall)
Ordering Symbol
Decimal Numbers, Letters, and Fractions* Nominal Actual Diamond - Groove (Type DG) Ser - Groove (Type SG) Spline Lock (Type SL)
DG & SG SL

.0980
to
.1406

#40 to #28
7/64 to 9/64

1/4

.275
.260

.2500
.2498

1/4
5/16
3/8
1/2

DG-16-4 
DG-16-5 
DG-16-6 
DG-16-8 

SG-16-4 
SG-16-5 
SG-16-6 
SG-16-8 

SL-16-4 
SL-16-5 
SL-16-6 
SL-16-8 

.1406
to
.1935

#27 to #10
9/64 to 3/16

5/16

.337
.322

.3125
.3123

1/4
5/16
3/8
1/2
3/4

DG-20-4 
DG-20-5 
DG-20-6 
DG-20-8 
DG-20-12

SG-20-4 
SG-20-5 
SG-20-6 
SG-20-8 
SG-20-12


SL-20-5 
SL-20-6 
SL-20-8 
SL-20-12

.1875
to
.2570

#12 to #1
"A" to "F"
3/16 to 1/4

13/32

.431
.416

.4062
.4060

1/4
5/16
3/8
1/2
3/4

DG-26-4 
DG-26-5 
DG-26-6 
DG-26-8 
DG-26-12

SG-26-4 
SG-26-5 
SG-26-6 
SG-26-8 
SG-26-12


SL-26-5 
SL-26-6 
SL-26-8 
SL-26-12

.2500
to
.3160

"F" to "O"
1/4 to 5/16

1/2

.525
.510

.5000
.4998

5/16
3/8
1/2
3/4

DG-32-5 
DG-32-6 
DG-32-8 
DG-32-12

SG-32-5 
SG-32-6 
SG-32-8 
SG-32-12

SL-32-5 
SL-32-6 
SL-32-8 
SL-32-12

.3125
to
.4375

"O" to "Z"
5/16 to 7/16

5/8

.650
.635

.6250
.6248

3/8
1/2
3/4
1
1-3/8

DG-40-6 
DG-40-8 
DG-40-12
DG-40-16
DG-40-22

SG-40-6 
SG-40-8 
SG-40-12
SG-40-16
SG-40-22

SL-40-6 
SL-40-8 
SL-40-12
SL-40-16

.4375
to
.5312

7/16 to 17/32

3/4

.775
.760

.7500
.7498

3/8
1/2
3/4
1
1-3/8

DG-48-6 
DG-48-8 
DG-48-12
DG-48-16
DG-48-22

SG-48-6 
SG-48-8 
SG-48-12
SG-48-16
SG-48-22

SL-48-6 
SL-48-8 
SL-48-12
SL-48-16

.5000
to
.6562

1/2 to 21/32

7/8

.900
.885

.8750
.8748

3/8
1/2
3/4
1
1-3/8

DG-56-6 
DG-56-8 
DG-56-12
DG-56-16
DG-56-22

SG-56-6 
SG-56-8 
SG-56-12
SG-56-16
SG-56-22

SL-56-6 
SL-56-8 
SL-56-12
SL-56-16

.6250
to
.7656

5/8 to 49/64

1"

1.025
1.010

1.0000
.9998

1/2
3/4
1
1-3/8

DG-64-8 
DG-64-12
DG-64-16
DG-64-22

SG-64-8 
SG-64-12
SG-64-16
SG-64-22

SL-64-8 
SL-64-12
SL-64-16
SL-64-22


* Fraction I.D. Range is in increments of 1/64" (except where indicated otherwise)
Embedment Bushings are Priced on Request

Types DG and SL are also available in Metric Sizes

I.D. Range
Drill Size
Standard I.D. Tolerance
(add to nominal I.D.)
7/64 to 1/4 +.0001 to +.0004
Over 1/4 to 3/4 +.0001 to +.0005
Over 3/4 to 49/64 +.0002 to +.0006



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