Cobalt Aircraft Drills - Fractional Sizes

Cobalt Drill Bits - Made to NAS 907 Type J specifications, these cobalt jobber length drills are used for drilling in tough, high tensile strength materials like stainless steels, titanium and inconel. They are made of cobalt high speed steel, with heavy duty flute construction and 135° split point.

*non split point

Diameter Inches	Part Number	Decimal Equivalent Inches	Flute Length Inches	Overall Length Inches	Package Quantity	Price Each
1/64*	02-060	.0156	3/16	3/4	12	$3.00
1/32*	02-058	.0312	1/2	1-3/8	12	$2.20
3/64*	02-059	.0469	3/4	1-3/4	12	$2.20
1/16	02-061	.0625	7/8	1-7/8	12	$1.30
5/64	02-062	.0781	1	2	12	$1.50
3/32	02-063	.0938	1-1/4	2-1/4	12	$1.50
7/64	02-064	.1094	1-1/2	2-5/8	12	$1.60
1/8	02-065	.1250	1-5/8	2-3/4	12	$1.60
9/64	02-066	.1406	1-3/4	2-7/8	12	$1.75
5/32	02-067	.1562	2	3-1/8	12	$2.00
11/64	02-068	.1719	2-1/8	3-1/4	12	$2.00
3/16	02-069	.1875	2-5/16	3-1/2	12	$2.00
13/64	02-070	.2031	2-7/16	3-5/8	12	$2.50
7/32	02-071	.2188	2-1/2	3-3/4	12	$2.75
15/64	02-072	.2344	2-5/8	3-7/8	12	$3.20
1/4	02-073	.2500	2-3/4	4	12	$3.50
17/64	02-074	.2656	2-7/8	4-1/8	12	$4.00
9/32	02-075	.2812	2-15/16	4-1/2	12	$4.50
19/64	02-076	.2969	3-1/16	4-3/8	12	$5.00
5/16	02-077	.3125	3-5/16	4-1/2	12	$5.50
21/64	02-078	.3281	3-5/16	4-5/8	6	$6.50
11/32	02-079	.3438	3-7/16	4-3/4	6	$6.50
23/64	02-080	.3594	3-1/2	4-7/8	6	$7.25
3/8	02-081	.3750	3-5/8	5	6	$8.00
25/64	02-082	.3906	3-3/4	5-1/8	6	$8.85
13/32	02-083	.4062	3-7/8	5-1/4	6	$9.50
27/64	02-084	.4219	3-15/16	5-3/8	6	$10.50
7/16	02-085	.4375	4-1/16	5-1/2	6	$10.60
29/64	02-086	.4530	4-3/16	5-5/8	6	$17.95
15/32	02-087	.4688	4-5/16	5-3/4	6	$14.30
31/64	02-088	.4844	4-3/8	5-7/8	6	$13.50
1/2	02-089	.5000	4-1/2	6	6	$13.00