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Twist Drill

Home / Products / Metal Cutting Tools / Twist Drill / HSS-E Cobalt Drill, Fractional Sizes

HSS-E Cobalt Drill, Fractional Sizes

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HSS-E Cobalt Steel with Co5-8%. with higher heat and wear resistance, especially good at drilling harder steel, stainless steel, cast iron.

HSS-E Cobalt Drill, Fractional Sizes

Fully ground flute, 135 split point

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HSS-E Cobalt Drill, Fractional Sizes

HSS-E Cobalt Drill, Fractional Sizes

HSS-E Cobalt Drill, Fractional Sizes

HSS-E Cobalt Drill, Fractional Sizes

HSS-E Jobber Length Twist Drill, Fractional Sizes

HSS-E Taper Length Twist Drill, Fractional Sizes

Diameter	Decimal Inch	Millimeter	Overall Length	Flute Length	Item Nr.
Inch	Equivalance	Equivalance	Inch	Inch
1/64"	0.0156	0.3968	3/4"	3/16"	60120164
1/32"	0.0313	0.7937	1-3/8"	1/2"	60120132
3/64"	0.0469	1.191	1 3/4"	3/4"	60120364
1/16"	0.0625	1.588	1-7/8"	7/8"	60120116
5/64"	0.0781	1.984	2"	1"	60120564
3/32"	0.0938	2.383	2-1/4"	1-1/4"	60120332
7/64"	0.1094	2.779	2-5/8"	1-1/2"	60120764
1/8"	0.125	3.175	2-3/4"	1 5/8"	60120108
9/64"	0.1406	3.571	2-7/8"	1-3/4"	60120964
5/32"	0.1562	3.967	3-1/8"	2"	60120532
11/64"	0.1719	4.366	3-1/4"	2-1/8"	60121164
3/16"	0.1875	4.762	3-1/2"	2-5/16"	60120316
13/64"	0.2031	5.159	3-5/8"	2-7/16"	60121362
7/32"	0.2188	5.558	3-3/4"	2-1/2"	60120732
15/64"	0.2344	5.954	3-7/8"	2-5/8"	60121564
1/4"	0.25	6.35	4"	2-3/4"	60120104
17/64"	0.2656	6.746	4-1/8"	2-7/8"	60121764
9/32"	0.2812	7.142	4 1/4"	2-15/16"	60120932
19/64"	0.2969	7.541	4-3/8"	3-1/16"	60121932
5/16"	0.3125	7.938	4 1/2"	3-3/16"	60120516
21/64"	0.3281	8.334	4-5/8"	3-5/16"	60122164
11/32"	0.3438	8.733	4 3/4"	3-7/16"	60121132
23/64"	0.3594	9.129	4-7/8"	3-1/2"	60122364
3/8"	0.375	9.525	5"	3-5/8"	60120308
25/64"	0.3906	9.921	5-1/8"	3-3/4"	60122564
13/32"	0.4062	10.317	5-1/4"	3-7/8"	60121332
27/64"	0.4219	10.716	5-3/8"	3-15/16"	60122764
7/16"	0.4375	11.112	5-1/2"	4-1/16"	60120716
29/64"	0.4531	11.509	5-5/8"	4-3/16"	60122964
15/32"	0.4688	11.908	5-3/4"	4-5/16"	60121532
31/64"	0.4844	12.304	5-7/8"	4-3/8"	60123164
1/2"	0.5	12.7	6"	4-1/2"	60120102

Diameter	Decimal Inch	Millimeter	Overall Length	Flute Length	Item #
inch	Equivalance	Equivalance	inch	inch
1/16"	0.0625	1.588	3"	1-3/4"	62220116
5/64"	0.0781	1.984	3-3/4"	2"	62220564
3/32"	0.0938	2.383	4-1/4"	2-1/4"	62220332
7/64"	0.1094	2.779	4-5/8"	2-1/2"	62220764
1/8"	0.125	3.175	5-1/8"	2-3/4"	62220108
9/64"	0.1406	3.571	5-3/8"	3"	62220964
5/32"	0.1562	3.967	5-3/8"	3"	62220532
11/64"	0.1719	4.366	5-3/4"	3-3/8"	62221164
3/16"	0.1875	4.762	5-3/4"	3-3/8"	62220316
13/64"	0.2031	5.159	6"	3-5/8"	62221362
7/32"	0.2188	5.558	6"	3-5/8"	62220732
15/64"	0.2344	5.954	6-1/8"	3-3/4"	62221564
1/4"	0.25	6.35	6-1/8"	3-3/4"	62220104
17/64"	0.2656	6.746	6-1/4"	3-7/8"	62221764
9/32"	0.2812	7.142	6-1/4"	3-7/8"	62220932
19/64"	0.2969	7.541	6-3/8"	4"	62221932
5/16"	0.3125	7.938	6-3/8"	4"	62220516
21/64"	0.3281	8.334	6-1/2"	4-1/8"	62222164
11/32"	0.3438	8.733	6-1/2"	4-1/8"	62221132
23/64"	0.3594	9.129	6-3/4"	4-1/4"	62222364
3/8"	0.375	9.525	6-3/4"	4-1/4"	62220308
25/64"	0.3906	9.921	7"	4-3/8"	62222564
13/32"	0.4062	10.317	7"	4-3/8"	62221332
27/64"	0.4219	10.716	7-1/4"	4-5/8"	62222764
7/16"	0.4375	11.112	7-1/4"	4-5/8"	62220716
29/64"	0.4531	11.509	7-1/2"	4-3/4"	62222964
15/32"	0.4688	11.908	7-1/2"	4-3/4"	62221532
31/64"	0.4844	12.304	7-3/4"	4-3/4"	62223164
1/2"	0.5	12.7	7-3/4"	4-3/4"	62220102

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