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Danyang Tongyu Tools Co., Ltd.(sales@tongyutools.cn)
[China]

Address:
Houxiang Town , Danyang City, Jiangsu Province. P.R. CHINA. Zhenjiang Jiangsu 212312 China

Phone:
86-511-86512613

Contact name:
Mr.Mike Wang , Sales Manager

Danyang Tongyu Tools Co., Ltd.(sales@tongyutools.cn)

HSS Twist Drill Bits

	Ansi Hss Extra Length Drill Bits

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Origin	made in china
Model Number	TY-H028

ANSI HSS 6 INCH EXTRA LENGTH DRILLS

Manufacturing process: fully ground
Point angle: 118 or 135 split point
Flute type: N
Material: HSS or HSS-Co
Finish: bright, black oxide, amber
Diameter: 3/64-1/2mm, A-Z

Fractional				Letter
D	Dec. Equiv.	FL	OAL	D	Dec. Equiv.	FL	OAL
3/64	0.0469	3/4	6	A	0.234	2 5/8	6
1/16	0.0625	7/8	6	B	0.238	2 3/4	6
5/64	0.0781	1	6	C	0.242	2 3/4	6
3/32	0.0938	1 1/4	6	D	0.246	2 3/4	6
7/64	0.1094	1 1/2	6	E	0.25	2 3/4	6
1/8	0.125	1 5/8	6	F	0.257	2 7/8	6
9/64	0.1406	1 3/4	6	G	0.261	2 7/8	6
5/32	0.1563	22	6	H	0.266	2 7/8	6
11/64	0.1719	1/8	6	I	0.272	2 7/8	6
3/16	0.1875	2 5/16	6	J	0.277	2 7/8	6
13/64	0.2031	2 7/16	6	K	0.281	2 15/16	6
7/32	0.2188	2 1/2	6	L	0.29	2 15/16	6
15/64	0.2344	2 5/8	6	M	0.295	3 1/16	6
1/4	0.25	2 3/4	6	N	0.302	3 1/16	6
17/64	0.2656	2 7/8	6	O	0.316	3 3/16	6
9/32	0.2813	2 15/16	6	P	0.323	3 5/16	6
19/64	0.2969	3 1/16	6	Q	0.332	3 7/16	6
5/16	0.3125	3 3/16	6	R	0.339	3 7/16	6
21/64	0.3281	3 5/16	6	S	0.348	3 1/2	6
11/32	0.3438	3 7/16	6	T	0.358	3 1/2	6
23/64	0.3594	3 1/2	6	U	0.368	3 5/8	6
3/8	0.375	3 5/8	6	V	0.377	3 5/8	6
25/64	0.3906	3 3/4	6	W	0.386	3 3/4	6
13/32	0.4063	3 7/8	6	X	0.397	3 3/4	6
27/64	0.4219	3 15/16	6	Y	0.404	3 7/8	6
7/16	0.4375	4 1/16	6	Z	0.413	3 7/8	6
29/64	0.4531	4 3/16
15/32	0.4688	4 5/16
31/64	0.4844	4 3/8
1/2	0.5	4 1/2

Note: Split point drills available from 1/8" and above sizes

Sizes over 1/2" are black oxide finish

ANSI HSS 12 INCH EXTRA LENGTH DRILLS

Manufacturing process: fully ground
Point angle: 118
Material: HSS or HSS-Co
Finish: bright, amber
Diameter: 1/8 - 3/4 inch

Fractional
	Dia.	Dec. Eq.	FluteLength	OAL
	1/8	.1250	9	12
	9/64	.1406	9	12
	5/32	.1562	9	12
	11/64	.1719	9	12
	3/16	.1875	9	12
	13/64	.2031	9	12
	7/32	.2188	9	12
	15/64	.2344	9	12
	1/4	.2500	9	12
	17/64	.2656	9	12
	9/32	.2812	9	12
	19/64	.2969	9	12
	5/16	.3125	9	12
	21/64	.3281	9	12
	11/32	.3438	9	12
	23/64	.3594	9	12
	3/8	.3750	9	12
	25/64	.3906	9	12
	13/32	.4062	9	12
	27/64	.4219	9	12
	7/16	.4375	9	12
	29/64	.4531	9	12
	15/32	.4688	9	12
	31/64	.4844	9	12
	1/2	.5000	9	12
	33/64	.5156	9	12
	17/32	.5312	9	12
	35/64	.5469	9	12
	9/16	.5625	9	12
	37/64	.5781	9	12
	19/32	.5938	9	12
	39/64	.6094	9	12
	5/8	.6250	9	12
	21/32	.6562	9	12
	11/16	.6875	9	12
	23/32	.7188	9	12
	3/4	.7500	9	12

Note: Split point drills available from 1/8" and above sizes

Sizes over 1/2" are black oxide finish

ANSI HSS 18 INCH EXTRA LENGTH DRILLS

Manufacturing process: fully ground
Point angle: 118 or 135 split point
Flute type: N
Material: HSS or HSS-Co
Finish: bright, black oxide, amber
Diameter:1/4-1inch

Fractional
	Dia.	Dec. Eq.	Flute Length	OAL
	1/4	.2500	13	18
	17/64	.2656	13	18
	9/32	.2812	13	18
	19/64	.2969	13	18
	5/16	.3125	13	18
	21/64	.3281	13	18
	11/32	.3438	13	18
	23/64	.3594	13	18
	3/8	.3750	13	18
	25/64	.3906	13	18
	13/32	.4062	13	18
	27/64	.4219	13	18
	7/16	.4375	13	18
	29/64	.4531	13	18
	15/32	.4688	13	18
	31/64	.4844	13	18
	1/2	.5000	13	18
	33/64	.5156	13	18
	17/32	.5312	13	18
	35/64	.5469	13	18
	9/16	.5625	13	18
	37/64	.5781	13	18
	19/32	.5938	13	18
	39/64	.6094	13	18
	5/8	.6250	13	18
	21/32	.6562	13	18
	11/16	.6875	13	18
	23/32	.7188	13	18
	3/4	.7500	13	18
	25/32	.7812	13	18
	13/16	.8125	13	18
	7/8	.8750	13	18
	15/16	.9375	13	18
	1	1.0000	13	18