Screw Machine Twist Drill Bit

Name: Screw Machine Twist Drill Bit
Brand: FANXI Tools
Availability: InStock

Manufacturing process: rolled, milled, fully ground
Point angle: 118 or 135 split point
Flute type: N
Material: HSS or HSS-Co
Finish: White, TIN Coated, Rainbow Color, Bright, Black & Bright, Zirconium Coating, Black, Coffee Color, etc.
Diameter: 1-20mm

Specifications of Screw Machine Twist Drill Bit

Fractional
Dia.	Dec. Eq.	Flute Length	OAL
3/64	.0469	1/2	1-3/8
1/16	.0625	5/8	1-5/8
5/64	.0781	11/16	1-11/16
3/32	.0938	3/4	1-3/4
7/64	.1094	13/16	1-13/16
1/8	.1250	7/8	1-7/8
9/64	.1406	15/16	1-15/16
5/32	.1562	1	2-1/16
11/64	.1719	1-1/16	2-1/8
3/16	.1875	1-1/8	2-3/16
13/64	.2031	1-3/16	2-1/4
7/32	.2188	1-1/4	2-3/8
15/64	.2344	1-5/16	2-7/16
1/4	.2500	1-3/8	2-1/2
17/64	.2656	1-7/16	2-5/8
9/32	.2812	1-1/2	2-11/16
19/64	.2969	1-9/16	2-3/4
5/16	.3125	1-5/8	2-13/16
21/64	.3281	1-11/16	2-15/16
11/32	.3438	1-11/16	3
23/64	.3594	1-3/4	3-1/16
3/8	.3750	1-13/16	3-1/8
25/64	.3906	1-7/8	3-1/4
13/32	.4062	1-15/16	3-5/16
27/64	.4219	2	3-3/8
7/16	.4375	2-1/16	3-7/16
29/64	.4531	2-1/8	3-9/16
15/32	.4688	2-1/8	3-5/8
31/64	.4844	2-3/16	3-11/16
1/2	.5000	2-1/4	3-3/4
33/64	.5156	2-3/8	3-7/8
17/32	.5312	2-3/8	3-7/8
35/64	.5469	2-1/2	4
9/16	.5625	2-1/2	4
37/64	.5781	2-5/8	4-1/8
19/32	.5938	2-5/8	4-1/8
39/64	.6094	2-3/4	4-1/4
5/8	.6250	2-3/4	4-1/4
41/64	.6406	2-7/8	4-1/2
21/32	.6562	2-7/8	4-1/2
43/64	.6719	2-7/8	4-5/8
11/16	.6875	2-7/8	4-5/8
45/64	.7031	3	4-3/4
23/32	.7188	3	4-3/4
47/64	.7344	3-1/8	5
3/4	.7500	3-1/8	5
49/64	.7656	3-1/4	5-1/8
25/32	.7812	3-1/4	5-1/8
51/64	.7969	3-3/8	5-1/4
13/16	.8125	3-3/8	5-1/4
53/64	.8281	3-1/2	5-3/8
27/32	.8438	3-1/2	5-3/8
55/64	.8594	3-1/2	5-1/2
7/8	.8750	3-1/2	5-1/2
57/64	.8906	3-5/8	5-5/8
29/32	.9062	3-5/8	5-5/8
59/64	.9219	3-3/4	5-3/4
15/16	.9375	3-3/4	5-3/4
61/64	.9531	3-7/8	5-7/8
31/32	.9688	3-7/8	5-7/8
63/64	.9844	4	6
1	1.0000	4	6
1-1/16	1.0625	4	6-1/4
1-1/8	1.1250	4	6-3/8
1-3/16	1.1875	4-1/4	6-5/8
1-1/4	1.2500	4-3/8	6-3/4
1-5/16	1.3125	4-3/8	7
1-3/8	1.3750	4-1/2	7-1/8
1-7/16	1.4375	4-3/4	7-3/8
1-1/2	1.5000	4-7/8	7-1/2
1-9/16	1.5625	4-7/8	7-3/4
1-5/8	1.6250	4-7/8	7-3/4
1-11/16	1.6875	5-1/8	8
1-3/4	1.7500	5-1/8	8
1-13/16	1.8125	5-3/8	8-1/4
1-7/8	1.8750	5-3/8	8-1/4
1-15/16	1.9375	5-5/8	8-1/2
2	2.0000	5-5/8	8-1/2

Wire
Dia.	Dec. Eq.	Flute Length	OAL
1	.2280	1-5/16	2-7/16
2	.2210	1-5/16	2-7/16
3	.2130	1-1/4	2-3/8
4	.2090	1-1/4	2-3/8
5	.2055	1-1/4	2-3/8
6	.2040	1-1/4	2-3/8
7	.2010	1-3/16	2-1/4
8	.1990	1-3/16	2-1/4
9	.1960	1-3/16	2-1/4
10	.1935	1-3/16	2-1/4
11	.1910	1-3/16	2-1/4
12	.1890	1-3/16	2-1/4
13	.1850	1-1/8	2-3/16
14	.1820	1-1/8	2-3/16
15	.1800	1-1/8	2-3/16
16	.1770	1-1/8	2-3/16
17	.1730	1-1/8	2-3/16
18	.1695	1-1/16	2-1/8
19	.1660	1-1/16	2-1/8
20	.1610	1-1/16	2-1/8
21	.1590	1-1/16	2-1/8
22	.1570	1-1/16	2-1/8
23	.1540	1	2-1/16
24	.1520	1	2-1/16
25	.1495	1	2-1/16
26	.1470	1	2-1/16
27	.1440	1	2-1/16
28	.1405	15/16	1-15/16
29	.1360	15/16	1-15/16
30	.1285	15/16	1-15/16
31	.1200	7/8	1-7/8
32	.1160	7/8	1-7/8
33	.1130	7/8	1-7/8
34	.1110	7/8	1-7/8
35	.1100	7/8	1-7/8
36	.1065	13/16	1-13/16
37	.1040	13/16	1-13/16
38	.1015	13/16	1-13/16
39	.0995	13/16	1-13/16
40	.0980	13/16	1-13/16
41	.0960	13/16	1-13/16
42	.0935	3/4	1-3/4
43	.0890	3/4	1-3/4
44	.0860	3/4	1-3/4
45	.0820	3/4	1-3/4
46	.0810	3/4	1-3/4
47	.0785	11/16	1-11/16
48	.0760	11/16	1-11/16
49	.0730	11/16	1-11/16
50	.0700	11/16	1-11/16
51	.0670	11/16	1-11/16
52	.0635	11/16	1-11/16
53	.0595	5/8	1-5/8
54	.0550	5/8	1-5/8
55	.0520	5/8	1-5/8
56	.0465	1/2	1-3/8
57	.0430	1/2	1-3/8
58	.0420	1/2	1-3/8
59	.0410	1/2	1-3/8
60	.0400	1/2	1-3/8

Letter
Dia.	Dec. Eq.	Flute Length	OAL
A	.2340	1-5/16	2-7/16
B	.2380	1-3/8	2-1/2
C	.2420	1-3/8	2-1/2
D	.2460	1-3/8	2-1/2
E	.2500	1-3/8	2-1/2
F	.2570	1-7/16	2-5/8
G	.2610	1-7/16	2-5/8
H	.2660	1-1/2	2-11/16
I	.2720	1-1/2	2-11/16
J	.2770	1-1/2	2-11/16
K	.2810	1-1/2	2-11/16
L	.2900	1-9/16	2-3/4
M	.2950	1-9/16	2-3/4
N	.3020	1-5/8	2-13/16
O	.3160	1-11/16	2-15/16
P	.3230	1-11/16	2-15/16
Q	.3320	1-11/16	3
R	.3390	1-11/16	3
S	.3480	1-3/4	3-1/16
T	.3580	1-3/4	3-1/16
U	.3680	1-13/16	3-1/8
V	.3770	1-7/8	3-1/4
W	.3860	1-7/8	3-1/4
X	.3970	1-15/16	3-5/16
Y	.4040	1-15/16	3-5/16
Z	.4130	2	3-3/8

Hangzhou FANXI Tools Company is one of the major screw machine twist drill bit suppliers in China, established in 2002. With a large inventory, we can fill the bulky orders. Thanks to the convenient sea, air and land transportation facilities, we can deliver our screw machine twist drills to any part of the world in a timely manner. Our drill bits and saw blades are at reasonable prices. Now we have a stable group of clients in countries, such as U.S.A, Canada, Turkey, Norway, Germany, Brazil, India, Australia and Thailand. Welcome buyers and agents from all over the world to contact with us.

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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.