Besly Drills - Catalog No. T-122-TF

Besly Turboflute
Screw Machine
Twist Drills

High Speed Steel
Straight Shank
Bright Finish

Wire Gage Sizes:
40 | 39 | 38 | 37 | 36 | 35 | 34 | 33 | 32 | 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1

Fractional Sizes:
1/16 | 5/64 | 3/32 | 7/64 | 1/8 | 9/64 | 5/32 | 11/64 | 3/16 | 13/64 | 7/32 | 15/64 | 1/4 | 17/64 | 9/32 | 19/64 | 5/16 | 21/64 | 11/32 | 23/64 | 3/8 | 25/64 | 13/32 | 27/64 | 7/16 | 29/64 | 15/32 | 31/64 | 1/2

Catalog Number: T-122-TF

Besly Turboflute Screw Machine Twist Drills

Designed for use on automatic screw machines, these drills have short flutes and a short overall length that provides economy and maximum rigidity without sacrificing cutting ability. Intended for drilling stringy, low and medium-strength steels below 120,000 psi ultimate tensile strength, and for nonferrous materials.

Please call 800 435-2965 for current prices.

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Wire Gage Size	Decimal Equiv.	EDP No	Pkg Qty	Overall Length A	Flute Length B
40	.0980	28604	12	1-13/16	13/16
39	.0995	28603	12	1-13/16	13/16
38	.1015	28602	12	1-13/16	13/16
37	.1040	28601	12	1-13/16	13/16
36	.1065	28600	12	1-13/16	13/16
35	.1100	28599	12	1-7/8	7/8
34	.1110	28598	12	1-7/8	7/8
33	.1130	28597	12	1-7/8	7/8
32	.1160	28596	12	1-7/8	78
31	.1200	28595	12	1-7/8	7/8
30	.1285	28594	12	1-15/16	15/16
29	.1360	28593	12	1-15/16	15/16
28	.1405	28592	12	1-15/16	15/16
27	.1440	28591	12	2-1/16	1
26	.1470	28590	12	2-1/16	1
25	.1495	28589	12	2-1/16	1
24	.1520	28588	12	2-1/16	1
23	.1540	28587	12	2-1/16	1
22	.1570	28586	12	2-1/8	1-1/16
21	.1590	28585	12	2-1/8	1-1/16

Wire Gage Size	Decimal Equiv.	EDP No	Pkg Qty	Overall Length A	Flute Length B
20	.1610	28584	12	2-1/8	1-1/16
19	.1660	28583	12	2-1/8	1-1/16
18	.1695	28582	12	2-1/8	1-1/16
17	.1730	28581	12	2-3/16	1-1/8
16	.1770	28580	12	2-3/16	1-1/8
15	.1800	28579	12	2-3/16	1-1/8
14	.1820	28578	12	2-3/16	1-1/8
13	.1850	28577	12	2-3/16	1-1/8
12	.1890	28576	12	2-1/4	1-3/16
11	.1910	28575	12	2-1/4	1-3/16
10	.1935	28574	12	2-1/4	1-3/16
9	.1960	28573	12	2-1/4	1-3/16
8	.1990	28572	12	2-1/4	1-3/16
7	.2010	28571	12	2-1/4	1-3/16
6	.2040	28570	12	2-3/8	1-1/4
5	.2055	28569	12	2-3/8	1-1/4
4	.2090	28568	12	2-3/8	1-1/4
3	.2130	28567	12	2-3/8	1-1/4
2	.2210	28566	12	2-7/16	1-5/16
1	.2280	28565	12	2-7/16	1-5/16

Fractional Size	Decimal Equiv.	EDP No	Pkg Qty	Overall Length A	Flute Length B
1/16	.0625	28536	12	1-5/8	5/8
5/64	.0781	28537	12	1-11/16	11/16
3/32	.0938	28538	12	1-3/4	3/4
7/64	.1094	28539	12	1-13/16	13/16
1/8	.1250	28540	12	1-7/8	7/8
9/64	.1406	28541	12	1-15/16	15/16
5/32	.1562	28542	12	2-1/16	1
11/64	.1719	28543	12	2-1/8	1-1/16
3/16	.1875	28544	12	2-3/16	1-1/8
13/64	.2031	28545	12	2-1/4	1-3/16
7/32	.2188	28546	12	2-3/8	1-1/4
15/64	.2344	28547	12	2-7/16	1-5/16
1/4	.2500	28548	12	2-1/2	1-3/8
17/64	.2656	28549	12	2-5/8	1-7/16
9/32	.2812	28550	12	2-11/16	1-1/2
19/64	.2969	28551	6	2-3/4	1-9/16
5/16	.3125	28552	6	2-13/16	1-5/8
21/64	.3281	28553	6	2-15/16	1-11/16
11/32	.3438	28554	6	3	1-11/16
23/64	.3594	28555	6	3-1/16	1-3/4
3/8	.3750	28556	6	3-1/8	1-13/16
25/64	.3906	28557	6	3-1/4	1-7/8
13/32	.4062	28558	6	3-5/16	1-15/16
27/64	.4219	28559	6	3-3/8	2
7/16	.4375	28560	6	3-7/16	2-1/16
29/64	.4531	28561	6	3-9/16	2-1/8
15/32	.4688	28562	6	3-5/8	2-1/8
31/64	.4844	28563	6	3-11/16	2-3/16
1/2	.5000	28564	6	3-3/4	2-1/4