Besly Counterbores - Catalog No. 971



Taps	Dies	Drills	End Mills	Reamers	Gages	Misc	Support	About Us	Site Map

Besly Counterbores
for 82°
Flat Head
Machine Screws

High Speed Steel
Straight Shank

Machine Screw and
Fractional Sizes

Machine Screw Sizes:
2 | 3 | 4 | 5 | 6 | 8 | 10 | 12

Fractional Sizes:
1/4 | 5/16 | 3/8

Catalog Number: 971

Besly Counterbores for 82° Flat Head Machine Screws

These Besly Counterbores are for 82° flat head machine screws.

Please call 800 435-2965 for current prices.

Printing Hint: Reduce the text size and turn off background printing before printing this page

				All dimensions are in inches.
	Besly Counterbores for 82° Flat Head Machine Screws Catl No. 971 Machine Screw Sizes

Machine Screw Size	EDP No	Pkg Qty	Pilot Diameter* A	Cutting Size B	Overall Length C	Shank Diameter D
2	22496	12	.085	.172	2-5/8	.1875
3	22497	12	.098	.199	2-5/8	.2188
4	22498	12	.111	.225	2-5/8	.2500
5	22499	12	.124	.252	2-3/4	.2500
6	22506	12	.137	.279	2-3/4	.2813
8	22507	12	.163	.332	2-7/8	.3125
10	22508	12	.189	.385	3	.3750
12	22509	12	.215	.438	3-1/4	.3750
* .001 - .002 under nominal screw size.

				All dimensions are in inches.
	Besly Counterbores for 82° Flat Head Machine Screws Catl No. 971 Fractional Sizes

Fractional Size	EDP No	Pkg Qty	Pilot Diameter* A	Cutting Size B	Overall Length C	Shank Diameter D
1/4	22516	1	.249	.507	3-1/2	.4375
5/16	22517	1	.311	.636	3-5/8	.5000
3/8	22518	1	.374	.762	3-3/4	.5000
* .001 - .002 under nominal screw size.

Sales Office

16200 Woodmint Lane

South Beloit, IL 61080

(815) 389-2231

fax (815) 389-1339 sales@besly.com