Taper Length Twist Drill Bit
Taper Length Twist Drill Bit
Taper Length Twist Drill Bit
Manufacturing process Rolled, milled, fully ground
Point angle 118
Flute Type N
Material HSS or HSS-Co
Finish Bright, black oxide or tin
Diameter 1/8-3-1/4inch
Fractional
Dia. Dec. Eq. Flute Length OAL Taper Shank #
1/8 .1250 1-7/8 5-1/8 1
9/64 .1406 2-1/8 5-3/8 1
5/32 .1562 2-1/8 5-3/8 1
11/64 .1719 2-1/2 5-3/4 1
3/16 .1875 2-1/2 5-3/4 1
13/64 .2031 2-3/4 6 1
7/32 .2188 2-3/4 6 1
15/64 .2344 2-7/8 6-1/8 1
1/4 .2500 2-7/8 6-1/8 1
17/64 .2656 3 6-1/4 1
9/32 .2812 3 6-1/4 1
19/64 .2969 3-1/8 6-3/8 1
5/16 .3125 3-1/8 6-3/8 1
21/64 .3281 3-1/4 6-1/2 1
11/32 .3438 3-1/4 6-1/2 1
23/64 .3594 3-1/2 6-3/4 1
3/8 .3750 3-1/2 6-3/4 1
25/64 .3906 3-5/8 7 1
13/32 .4062 3-5/8 7 1
27/64 .4219 3-7/8 7-1/4 1
7/16 .4375 3-7/8 7-1/4 1
29/64 .4531 4-1/8 7-1/2 1
15/32 .4688 4-1/8 7-1/2 1
31/64 .4844 4-3/8 8-1/4 2
1/2 .5000 4-3/8 8-1/4 2
33/64 .5156 4-5/8 8-1/2 2
17/32 .5312 4-5/8 8-1/2 2
35/64 .5469 4-7/8 8-3/4 2
9/16 .5625 4-7/8 8-3/4 2
37/64 .5781 4-7/8 8-3/4 2
19/32 .5938 4-7/8 8-3/4 2
39/64 .6094 4-7/8 8-3/4 2
5/8 .6250 4-7/8 8-3/4 2
41/64 .6406 5-1/8 9 2
21/32 .6562 5-1/8 9 2
43/64 .6719 5-3/8 9-1/4 2
11/16 .6875 5-3/8 9-1/4 2
45/64 .7031 5-5/8 9-1/2 2
23/32 .7188 5-5/8 9-1/2 2
47/64 .7344 5-7/8 9-3/4 2
3/4 .7500 5-7/8 9-3/4 2
49/64 .7656 6 9-7/8 2
25/32 .7812 6 9-7/8 2
51/64 .7969 6-1/8 10-3/4 3
13/16 .8125 6-1/8 10-3/4 3
53/64 .8281 6-1/8 10-3/4 3
27/32 .8438 6-1/8 10-3/4 3
55/64 .8594 6-1/8 10-3/4 3
7/8 .8750 6-1/8 10-3/4 3
57/64 .8906 6-1/8 10-3/4 3
29/32 .9062 6-1/8 10-3/4 3
59/64 .9219 6-1/8 10-3/4 3
15/16 .9375 6-1/8 10-3/4 3
61/64 .9531 6-3/8 11 3
31/32 .9688 6-3/8 11 3
63/64 .9844 6-3/8 11 3
1 1.0000 6-3/8 11 3
1-1/64 1.0156 6-1/2 11-1/8 3
1-1/32 1.0312 6-1/2 11-1/8 3
1-3/64 1.0469 6-5/8 11-1/4 3
1-1/16 1.0625 6-5/8 11-1/4 3
1-5/64 1.0781 6-7/8 12-1/2 4
1-3/32 1.0938 6-7/8 12-1/2 4
1-7/64 1.1094 7-1/8 12-3/4 4
1-1/8 1.1250 7-1/8 12-3/4 4
1-9/64 1.1406 7-1/4 12-7/8 4
1-5/32 1.1562 7-1/4 12-7/8 4
1-11/64 1.1719 7-3/8 13 4
1-3/16 1.1875 7-3/8 13 4
1-13/64 1.2031 7-1/2 13-1/8 4
1-7/32 1.2188 7-1/2 13-1/8 4
1-15/64 1.2344 7-7/8 13-1/2 4
1-1/4 1.2500 7-7/8 13-1/2 4
1-17/64 1.2656 8-1/2 14-1/8 4
1-9/32 1.2812 8-1/2 14-1/8 4
1-19/64 1.2969 8-5/8 14-1/4 4
1-5/16 1.3125 8-5/8 14-1/4 4
1-21/64 1.3281 8-3/4 14-3/8 4
1-11/32 1.3438 8-3/4 14-3/8 4
1-23/64 1.3594 8-7/8 14-1/2 4
1-3/8 1.3750 8-7/8 14-1/2 4
1-25/64 1.3906 9 14-5/8 4
1-13/32 1.4062 9 14-5/8 4
1-27/64 1.4219 9-1/8 14-3/4 4
1-7/16 1.4375 9-1/8 14-3/4 4
1-29/64 1.4531 9-1/4 14-7/8 4
1-15/32 1.4688 9-1/4 14-7/8 4
1-31/64 1.4844 9-3/8 15 4
1-1/2 1.5000 9-3/8 15 4
1-17/32 1.5312 9-3/8 16-3/8 5
1-9/16 1.5625 9-5/8 16-5/8 5
1-19/32 1.5938 9-7/8 16-7/8 5
1-5/8 1.6250 10 17 5
1-21/32 1.6562 10-1/8 17-1/8 5
1-11/16 1.6875 10-1/8 17-1/8 5
1-23/32 1.7188 10-1/8 17-1/8 5
1-3/4 1.7500 10-1/8 17-1/8 5
1-25/32 1.7812 10-1/8 17-1/8 5
1-13/16 1.8125 10-1/8 17-1/8 5
1-27/32 1.8438 10-1/8 17-1/8 5
1-7/8 1.8750 10-3/8 17-3/8 5
1-29/32 1.9062 10-3/8 17-3/8 5
1-15/16 1.9375 10-3/8 17-3/8 5
1-31/32 1.9688 10-3/8 17-3/8 5
2 2.0000 10-3/8 17-3/8 5
2-1/32 2.0312 10-3/8 17-3/8 5
2-1/16 2.0625 10-1/4 17-3/8 5
2-3/32 2.0938 10-1/4 17-3/8 5
2-1/8 2.1250 10-1/4 17-3/8 5
2-5/32 2.1562 10-1/4 17-3/8 5
2-3/16 2.1875 10-1/4 17-3/8 5
2-7/32 2.2188 10-1/8 17-3/8 5
2-1/4 2.2500 10-1/8 17-3/8 5
2-5/16 2.3125 10-1/8 17-3/8 5
2-3/8 2.3750 10-1/8 17-3/8 5
2-7/16 2.4375 11-1/4 18-3/4 5
2-1/2 2.5000 11-1/4 18-3/4 5
2-9/16 2.5625 11-7/8 19-1/2 5
2-5/8 2.6250 11-7/8 19-1/2 5
2-11/16 2.6875 12-3/4 20-3/8 5
2-3/4 2.7500 12-3/4 20-3/8 5
2-13/16 2.8125 13-3/8 21-1/8 5
2-7/8 2.8750 13-3/8 21-1/8 5
2-15/16 2.9375 14 21-3/4 5
3 3.0000 14 21-3/4 5

We are a taper length twist drill bit supplier in China with eight years of experience in exporting HSS twist drill bit. We have an idea of how to provide our overseas customers with better service. Recently, our American standard twist drill bit, German standard twist drill bit, saw blades have passed the international certification of GS, CE, EMC, ITS, SAA, UL, etc. Our products are very popular in countries, such as U.S.A, Canada, Turkey, Norway, Germany, Brazil, India, Australia and Thailand. Please contact us if necessary.

Drill Tools

Frequently Asked Questions about HSS Twist Drill Bits

What are your HSS twist drill bits made of?

Our HSS twist drill bits are made of high-speed steel such as M2 (DIN 338 / DIN 340 / DIN 345) and M35 cobalt grades, in compliance with DIN and ANSI standards. Standard, reduced shank, taper shank and jobber length series are all available for metal drilling.

What is your MOQ?

MOQ depends on the product type and specification. Trial orders and mixed-container orders are welcome - contact us with your target items and we will confirm the MOQ in the quotation.

Do you accept OEM / ODM?

Yes. OEM and ODM cooperation is welcome, including your brand, packaging and specifications. As a manufacturer in Hangzhou, China since 2006, we support custom production for importers and wholesalers worldwide.

How can I get a quotation and delivery time?

Email ligenie@gmail.com, call +86-571-86758131 or WhatsApp +86 153 3654 6084 with the items and quantities you need. We reply with prices and a clear delivery date, and samples are available for quality checking before bulk orders.

More questions? See our full FAQ page or contact FANXI Tools.