IT Twist Drill High Speed Steel Taper Shank Twist Drills Long Series

High Speed Steel Taper Shank Twist Drills Long Series

High Speed Steel
Taper Shank Twist Drills
Long Series

Size h8			Series 1		Series 2		MT Shank No
mm	Inch	LG	FL OAL mm		FL OAL mm		MT Shank No
5.94		A
5.95	15/64		100	200	150	250	1
6.00
6.04		B
6.10
6.15		C
6.20
6.25		D
6.30
6.35	1/4	E	125	225	175	275	--
6.40
6.50
6.53		F
6.63		G
6.70
6.75	17/64	H
6.80
6.90		I
7.00
7.03		J
7.10
7.14	9/32	K	150	250	200	300	--
7.20
7.30
7.37		L
7.40
7.49		M
7.50
7.54	19/64
7.60
7.67		N
7.70
7.80
7.90
7.94	5/16		165	265	210	330	--
8.00
8.03		O
8.10
8.20		P
8.30
8.33	21/64
8.40
8.43		Q
8.50
8.60
8.61		R
8.70
8.73	11/32
8.80
8.84		S
8.90			175	275	220	345	1
9.00
9.09		T
9.10
9.13	23/64
9.20
9.30
9.34		U
9.40
9.50
9.52	3/8
9.58		V
9.60
9.70
9.80		W
9.90
9.92	25/64
10.00
10.08		X
10.10
10.20
10.26		Y
10.30			185	285	235	360	1
10.32	13/32
10.40
10.49		Z
10.50
10.60
10.70
10.72	27/64
10.80
10.90
11.00
11.10
11.11	7/16
11.20			195	300	250	375	1
11.30
11.40
11.50
11.51
11.60
11.70
11.80
11.90
11.91	15/32
12.00
12.10
12.20
12.30	31/64
12.40
12.50			205	310	260	395	1
12.60
12.70	1/2
12.80
12.90
13.00
13.10	33/64
13.20
13.30
13.40
13.49
13.50
13.60
13.70
13.80
13.89	35/64
13.90
14.00
14.25
14.29	9/16
14.50
14.68	37/64		220	340	275	425	2
14.75
15.00
15.08	19/32
15.25
15.48	39/64
15.50			230	355	295	445	2
15.75
15.87	5/8
16.00
16.25
16.27	41/64
16.50
16.67	21/32
16.75
17.00
17.07	43/64
17.25
17.46	11/16
17.50			245	370	310	465	2
17.75
17.86	45/64
18.00
18.25
18.26	23/32
18.50
18.65	47/34
18.75
19.00
19.05	3/4
19.25
19.45	49/64
19.50			260	385	325	490	2
20.00
20.24	51/64
20.25
20.50
20.64	13/16
20.75
21.00
21.03	53/04
21.25
21.43	27/32
21.50
21.75
21.83	55/64
22.00
22.22	7/8		270	405	345	515	2
22.25
22.50
22.62	57/64
22.75
23.00
23.02	29/32
23.25
23.42	59/64		270	425	345	535
23.50
23.60
23.75
23.81	15/16
24.00
24.21	61/64
24.25			290	440	365	555	3
24.50
24.61	31/32
24.75
25.00	63/64
25.25
25.40	1
25.50
25.75
26.00
26.19	1.1/32
26.25
26.50
26.75
26.99
27.00
27.25
27.50			305	460	385	580	3
27.75
27.78	1.3/32
28.00
28.25
28.50
28.57	1.1/8
28.75
29.00
29.25
29.37	1.5/32
29.50
29.75
30.00
30.16	1.3/16
30.25
30.50
30.75
30.96	1.7/32		320	480	410	610	3
31.00
31.25
31.50
31.75	1/4
32.00
32.50
32.54	1.9/32
33.00			320	505	410	635	4
33.34	1.5/16
33.50
34.00
34.13	1.11/32
34.50
34.92
35.00
35.50
35.72	1/32/32
36.00
36.50
36.51	1.7/16		340	530	430	665	4
37.00
37.31	1.15/32
37.50
38.00
38.10	1.1/2
38.50
38.89	1.17/32
39.00
39.50
39.69	1.9/16
40.00
40.48	1.19/32
40.50
41.00
41.27	1.5/8
41.50			360	555	460	695	4
42.00
42.07	1.21/32
42.50
42.66	1.11/16
43.00
43.50
43.66	1.23/32
44.00			385	585	490	735	4
44.45	1.3/4
44.50
45.00
45.24	1.25/32
45.50
46.00
46.04	1.13/16
46.50			385	585	490	735	4
46.83	1.27/32
47.00
47.50
47.62	1.7/8
48.00
48.42	1.29/32
48.50
49.00			405	605	510	765	4
49.21	1.15/16
49.50
50.00
50.01	1.31/32

Specification conform to IS:8305-1976

FL= Flute Length OAL = Overall Length MT = Morse Taper.

Specification conform to IS:7823-1983/ISO 3292-1975

FL=flute length OAL= overall length