Three Flat Shank Twist Drill BitThree Flat Shank Twist Drill Bit
1. 118° or 135° Quick-Cut point will not walk or wander
2. This twist drill bit features a shorter, more stable maintenance length for added stability to reduce chance of breakage
3. 135° Quick-Cut point combined with a special duotone finish result in cutting edges that remain sharp longer.
4. Our three fat shank twist drill bit s are designed to drill in wood, plastic, metal, stainless steel and even heat treated or high alloy metals
5. Three flats, 1/2" shank black& bronze oxide, silver and deming according to ASME B.94 11M 
6. Sizes available: 1/16" to 1/2" by 64ths
Fractional
Dia. Dec Eq. Flute Length OAL
1/16
5/64
3/32
7/64
1/8		 .0625
.0781
.0938
.1094
.1250		 7/8
1
1-1/4
1-5/16
1-7/16		 1-7/8
2
2-1/4
2-3/8
2-1/2
9/64
5/32
11/64
3/16
13/64		 .1406
.1563
.1719
.1875
.2031		 1-9/16
1-11/16
1-13/16
1-7/8
1-15/16		 2-5/8
2-3/4
2-7/8
3
3-1/8
7/32
15/64
1/4
17/64
9/32		 .2188
.2344
.2500
.2656
.2813		 2
1-1/6
2
2-1/8
2-1/4		 3-1/4
3-3/8
3-1/2
3-5/8
3-3/4
19/64
5/16
21/64
11/32
23/64		 .2969
.3125
.3281
.3438
.3594		 2-3/8
2-1/2
2-9/16
2-5/8
2-11/16		 3-7/8
4
4-1/16
4-1/8
4-3/16
3/8
25/64
13/32
27/64
7/16		 .3750
.3906
.4063
.4219
.4375		 2-11/16
2-3/4
2-13/16
2-7/8
2-15/16		 4-1/4
4-5/16
4-3/8
4-7/16
4-1/2
29/64
15/32
31/64
1/2		 .4531
.4688
.4844
.5000		 3
3-1/8
3-1/4
3-3/8		 4-5/8
4-3/4
4-7/8
5

We are one of the major three flat shank twist drill bit suppliers in China. First we would like to thank you for visiting the website of Hangzhou FANXI Tools Company. We are mainly engaged in selling drill bits and saw blades. With many years of exporting experience, we know how to serve our overseas clients better. Due to the reliable quality, our three flat shank twist drill bits are widely used in countries, such as U.S.A, Canada, Turkey, Norway, Germany, Brazil, India, Australia and Thailand. Our products include HSS twist drill bits, electric hammer drill bits, TCT saw blades, diamond saw blades and so on. Please contact with us soon if you need such kind of products.

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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.