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High Speed Steel Aircraft Counterbores

848 Series

848 SERIES counterbores with short, sturdy design are ideal for use in portable drill motors and drill presses. Made from the finest high speed steel. All counterbores are furnished with sharp corners. Special "D" cutter diameters, and special radii may be readily ground from standard sizes listed. Special sizes and radii are given prompt attention. For pilot information see 855 Series.

TOOL NUMBER
"D" CUTTER DIA.
"PH" PILOT HOLE DIA.
"S" SHANK DIA.
O.A.L. REF.
848-1-NCR
1/4
3/32
1/4
2-3/8
848-2-NCR
9/32
3/32
1/4
2-3/8
848-3-NCR
5/16
3/32
1/4
2-3/8
848-4-NCR
11/32
3/32
1/4
2-3/8
848-5-NCR
3/8
3/32
1/4
2-3/8
848-6-NCR
13/32
1/8
1/4
2-13/16
848-7-NCR
7/16
1/8
1/4
2-13/16
848-8-NCR
15/32
1/8
1/4
2-13/16
848-9-NCR
1/2
1/8
1/4
2-13/16
848-10-NCR
17/32
1/8
1/4
2-13/16
848-11-NCR
9/16
1/8
1/4
2-13/16
848-12-NCR
19/32
1/8
1/4
2-13/16
848-13-NCR
5/8
1/8
1/4
2-13/16
848-14-NCR
21/32
3/16
1/4
3-1/8
848-15-NCR
11/16
3/16
1/4
3-1/8
848-16-NCR
23/32
3/16
1/4
3-1/8
848-17-NCR
3/4
3/16
1/4
3-1/8
848-18-NCR
25/32
3/16
1/4
3-1/8
848-19-NCR
13/16
3/16
1/4
3-1/8
848-20-NCR
27/32
3/16
1/4
3-1/8
848-21-NCR
7/8
3/16
1/4
3-1/8
848-22-NCR
29/32
3/16
1/4
3-1/8
848-23-NCR
15/16
3/16
1/4
3-1/8
848-24-NCR
31/32
3/16
1/4
3-1/8
848-25-NCR
1
3/16
1/4
3-1/8
848-26-NCR
1 - 1/16
3/16
3/8
2-3/4
848-27-NCR
1 - 1/8
3/16
3/8
2-3/4
848-28-NCR
1 - 3/16
3/16
3/8
2-3/4
848-29-NCR
1 - 1/4
3/16
3/8
2-3/4
848-30-NCR
1 - 5/16
3/16
3/8
2-3/4
848-31-NCR
1 - 3/8
3/16
3/8
2-3/4
848-31B-NCR
1 - 7/16
3/16
3/8
2-3/4
848-32-NCR
1 - 1/2
3/16
3/8
2-3/4

Please complete the information below and click "submit" to send Special Order Countersinks or to upload your prints. If you have any questions contact one of our sales representatives at 310-322-0614

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