Best Cobalt Drill Bits

DIN345 M42 Spiral Flute 135 Degrees Heavy-Duty Morse Taper Shank Cobalt Drill Bit

Made from cobalt steel, this type of drill bit is designed to cut through hard metals.
The 135-degree split point and spiral flutes also make it easy to drill large diameter holes.
Morse taper shank allows for high torque applications.
Amber surface finish increases wear resistance and add lubricity.
Making it easier for you to get the job done quickly and efficiently.

Product Details
Factory
Material

Product Description
More Choice For You: Home > Cobalt Drill Bit
Product Name	DIN345 M42 Spiral Flute 135 Degrees Heavy-Duty Morse Taper Shank Cobalt Drill Bit
Size	1-13mm
Material	M35 (Co5%), M42 (Co8%)
Flute Type	Single Flute
Shank	Taper Shank (We also Have Reduced Shank, Round Shank, Hex Shank)
Surface Finish	Amber (We also have Black Oxide)
Package	10 or 5pcs in One Plastic Box

Product Size
Diameter	Overall Length	Flute Length	MT	Diameter	Overall Length	Flute Length	MT
mm	mm	mm	number	mm	mm	mm	number
7.5	150	69	1	32	334	185	4
7.8	156	75	1	32.5	334	185	4
8	156	75	1	33	334	185	4
8.2	156	75	1	33.5	334	185	4
8.5	156	75	1	34	339	190	4
8.8	162	81	1	34.5	339	190	4
9	162	81	1	35	339	190	4
9.2	162	81	1	35.5	339	190	4
9.5	162	81	1	36	344	195	4
9.8	168	87	1	36.5	344	195	4
10	168	87	1	37	344	195	4
10.2	168	87	1	37.5	344	195	4
10.5	168	87	1	38	349	200	4
10.8	175	94	1	38.5	349	200	4
11	175	94	1	39	349	200	4
11.2	175	94	1	39.5	349	200	4
11.5	175	94	1	40	349	200	4
11.8	175	94	1	40.5	354	205	4
12	182	101	1	41	354	205	4
12.2	182	101	1	41.5	354	205	4
12.5	182	101	1	42	354	205	4
12.8	182	101	1	42.5	354	205	4
13	182	101	1	43	359	210	4
13.2	182	101	1	43.25	359	210	4
13.5	189	108	1	43.5	359	210	4
13.8	189	108	1	43.75	359	210	4
14	189	108	1	44	359	210	4
14.25	212	114	2	44.25	359	210	4
14.5	212	114	2	44.5	359	210	4
14.75	212	114	2	44.75	359	210	4
15	212	114	2	45	359	210	4
15.25	218	120	2	45.25	359	210	4
15.5	218	120	2	45.5	359	210	4
15.75	218	120	2	45.75	359	210	4
16	218	120	2	48	369	220	4
16.25	223	125	2	48.5	369	220	4
16.5	223	125	2	49	369	220	4
16.75	223	125	2	49.5	369	220	4
17	223	125	2	50	369	220	4
17.25	228	130	2	50.5	374	225	4
17.5	228	130	2	51	412	225	5
17.75	228	130	2	51.5	412	225	5
18	228	130	2	52	412	225	5
18.25	233	135	2	53	412	225	5
18.5	233	135	2	54	417	230	5
18.75	233	135	2	55	417	230	5
19	233	135	2	56	417	230	5
19.25	238	140	2	57	422	235	5
19.5	238	140	2	58	422	235	5
19.75	238	140	2	59	422	235	5
20	238	140	2	60	422	235	5
20.25	243	145	2	61	427	240	5
20.5	243	145	2	62	427	240	5
20.75	243	145	2	63	427	240	5
21	243	145	2	64	432	245	5
21.2	248	150	2	65	432	245	5
21.5	253	165	2	66	432	245	5
23.25	278	155	3	67	432	245	5
23.5	278	155	3	68	437	250	5
23.75	281	160	3	69	437	250	5
24	281	160	3	70	437	250	5
24.25	281	160	3	71	437	250	5
24.5	281	160	3	72	442	255	5
24.75	281	160	3	73	442	255	5
25	281	160	3	74	442	255	5
25.25	286	165	3	75	442	255	5
25.5	286	165	3	76	447	260	5
25.75	286	165	3	77	514	260	6
26	286	165	3	78	514	260	6
26.25	286	165	3	79	514	260	6
26.5	286	165	3	80	514	260	6
26.75	291	170	3	81	519	265	6
27	291	170	3	82	519	265	6
27.25	291	170	3	83	519	265	6
27.5	291	170	3	84	519	265	6
27.75	291	170	3	85	519	265	6
28	291	170	3	86	524	270	6
28.25	296	175	3	87	524	270	6
28.5	296	175	3	88	524	270	6
28.75	296	175	3	89	524	270	6
29	296	175	3	90	524	270	6
29.25	296	175	3	91	529	275	6
29.5	296	175	3	92	529	275	6
29.75	296	175	3	93	529	275	6
30	296	175	3	94	529	275	6
30.25	301	180	3	95	529	275	6
30.5	301	180	3	96	534	280	6
30.75	301	180	3	97	534	280	6
31	301	180	3	98	534	280	6
31.25	301	180	3	99	534	280	6
31.5	301	180	3	100	534	280	6
31.75	306	185	3
* Custom-tailor would be available against customers’ requirements

Hss twist drill bits, black and gold surface provide a protection to prevent rusty. Drilling accurate without a center punch tool, it can drill in general metal drilling. 135 degree split point eliminate drill walking on work-pieces. High quality guarantee hss twist drill bits!

Material: M2 HSS 6542
Surface: Black & Gold
Use: Metal Drilling

Hss twist drill bits for drilling on copper, stainless steel, iron and other materials.

Hss twist Drill Bits use long life, Factory price.