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Gun-Drill Insert Bushings (GDI)

Drill Bushings

GDI bushings with a standard ID drill size can be ordered online. To order a specific standard bushing, select the basic part number below and add the desired ID size (as a 4-place decimal inch) on the Price & Availability screen. Example: GDI-13-8-.0635 (GDI-13-8 with .0635" ID)

13/64" OD
QUANTITY BASIC PART NO. AVAILABLE ID SIZES STANDARD DRILL SIZES B OD C LENGTH MATCHING LINER
GDI-13-8 .0635-.0995 5/64-3/32, #52-#39, 1.65-2.50mm 13/64 1/2 GDL-64-16-13
GDI-13-12 .0635-.0995 5/64-3/32, #52-#39, 1.65-2.50mm 13/64 3/4 GDL-88-22-13
GDI-13-16 .0635-.0995 5/64-3/32, #52-#39, 1.65-2.50mm 13/64 1 GDL-112-28-13
1/4" OD
QUANTITY BASIC PART NO. AVAILABLE ID SIZES STANDARD DRILL SIZES B OD C LENGTH MATCHING LINER
GDI-16-8 .0980-.1406 7/64-9/64, #40-#28, 2.50-3.50mm 1/4 1/2 GDL-64-16-16
GDI-16-12 .0980-.1406 7/64-9/64, #40-#28, 2.50-3.50mm 1/4 3/4 GDL-88-22-16
GDI-16-16 .0980-.1406 7/64-9/64, #40-#28, 2.50-3.50mm 1/4 1 GDL-112-28-16
5/16" OD
QUANTITY BASIC PART NO. AVAILABLE ID SIZES STANDARD DRILL SIZES B OD C LENGTH MATCHING LINER
GDI-20-8 .1250-.1935 1/8-3/16, #30-#10, 3.20-4.90mm 5/16 1/2 GDL-64-16-20
GDI-20-12 .1250-.1935 1/8-3/16, #30-#10, 3.20-4.90mm 5/16 3/4 GDL-88-22-20
GDI-20-16 .1250-.1935 1/8-3/16, #30-#10, 3.20-4.90mm 5/16 1 GDL-112-28-20
1/2" OD
QUANTITY BASIC PART NO. AVAILABLE ID SIZES STANDARD DRILL SIZES B OD C LENGTH MATCHING LINER
GDI-32-8 .1875-.3160 3/16-5/16, #12-O, 4.80-8.00mm 1/2 1/2 GDL-64-16-32
GDI-32-12 .1875-.3160 3/16-5/16, #12-O, 4.80-8.00mm 1/2 3/4 GDL-88-22-32
GDI-32-16 .1875-.3160 3/16-5/16, #12-O, 4.80-8.00mm 1/2 1 GDL-112-28-32
3/4" OD
QUANTITY BASIC PART NO. AVAILABLE ID SIZES STANDARD DRILL SIZES B OD C LENGTH MATCHING LINER
GDI-48-8 .3125-.5312 5/16-17/32, O-Z, 8.00-13.50mm 3/4 1/2 GDL-64-16-48
GDI-48-12 .3125-.5312 5/16-17/32, O-Z, 8.00-13.50mm 3/4 3/4 GDL-88-22-48
GDI-48-16 .3125-.5312 5/16-17/32, O-Z, 8.00-13.50mm 3/4 1 GDL-112-28-48
1" OD
QUANTITY BASIC PART NO. AVAILABLE ID SIZES STANDARD DRILL SIZES B OD C LENGTH MATCHING LINER
GDI-64-12 .5000-.7656 1/2-49/64, 13.00-19.00mm 1 3/4 GDL-88-22-64
GDI-64-16 .5000-.7656 1/2-49/64, 13.00-19.00mm 1 1 GDL-112-28-64
1-3/8" OD
QUANTITY BASIC PART NO. AVAILABLE ID SIZES STANDARD DRILL SIZES B OD C LENGTH MATCHING LINER
GDI-88-16 .6250-1.0312 5/8 – 1-1/32, 16.00-26.00mm 1-3/8 1 GDL-112-28-88

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