Specifications

Taper Shank HSS Twist Drill Bit
*4241,4341,9341,6541,M32 and M42
*ISO 9001 standard
*plastic sleeve packing
*we are factory

 Taper Shank HSS Twist Drill Bit  

 

1.Material:4241,4341,9341,6541,M32 and M42
2.Fully ground,roll forged and edge forged twist drill

3.Special tip and more sharpness
4.Application:More than 5MM stainless steel, spring steel, special steel, hardness of HRC40 within the metal block, opened die punch ect.

 

 

Number	SIZE(mm)	Number	SIZE(mm)	Number	SIZE(mm)
1	5x133	56	19x233	111	36x344
2	5.2x133	57	19.25x238	112	36.5x344
3	5.5x138	58	19.5x238	113	37x344
4	5.8x138	59	19.75x238	114	38x349
5	6x138	60	20x238	115	38.5x349
6	6.2x144	61	20.25x243	116	39x349
7	6.5x144	62	20.5x243	117	39.5x349
8	6.8x150	63	20.75x243	118	40x349
9	7x150	64	21x243	119	40.5x354
10	7.2x150	65	21.25x248	120	41x354
11	7.5x180	66	21.5x248	121	41.5x354
12	7.8x156	67	21.75x248	122	42x354
13	8x156	68	22x248	123	43x359
14	8.2x156	69	22.25x248	124	43.5x359
15	8.5x156	70	22.5x253	125	44.5x359
16	8.8x162	71	22.75x253	126	45x359
17	9x162	72	23x253	127	45.5x364
18	9.2x162	73	23.25x276	128	46x364
19	9.5x162	74	23.5x276	129	46.5x364
20	9.8x168	75	23.75x281	130	47x364
21	10x168	76	24x281	131	47.5x364
22	10.2x168	77	24.25x281	132	48x369
23	10.5x168	78	24.5x281	133	48.5x369
24	10.8x175	79	24.75x281	134	49x369
25	11x175	80	25x281	135	49.5x369
26	11.2x175	81	25.25x286	136	50x369
27	11.5x175	82	25.5x286	137	50.5x374
28	11.8x175	83	25.75x286	138	51x412
29	12x182	84	26x286	139	52x412
30	12.2x182	85	26.25x286	140	53x412
31	12.5x182	86	26.5x286	141	54x417
32	12.8x182	87	26.75x291	142	55x417
33	13x182	88	27x291	143	56x417
34	13.2x182	89	29.25x291	144	57x422
35	13.5x189	90	27.5x291	145	58x422
36	13.8x189	91	27.75x291	146	59x422
37	14x189	92	28x291	147	60x422
38	14.25x212	93	29.5x296	148	61x427
39	14.5x212	94	29.75x296	149	62x427
40	14.75x212	95	30x296	150	63x427
41	15x212	96	30.25x301	151	64x432
42	15.25x218	97	30.5x301	152	65x432
43	15.5x218	98	30.75x301	153	66x432
44	15.75x218	99	31x301	154	67x432
45	16x218	100	31.25x301	155	68x437
46	16.25x223	101	31.5x301	156	69x437
47	16.5x223	102	31.75x306	157	70437
48	16.75x223	103	32x334	158	71x*437
49	17x223	104	32.5x334	159	72x442
50	17.25x223	105	33x334	160	73x442
51	17.5x228	106	33.5x334	161	74x442
52	17.75x228	107	34x339	162	75x442
53	18x228	108	34.5x339	163	76x447
54	18.5x233	109	35x339
55	18.75x233	110	35.5x339