Taper Shank HSS Twist Drill Bits- Drill Bit

• Customization: Available
• Customized: Customized
• Standard: DIN, JIS, AISI
• Model NO.: type N
• Length: Jobber-length
• Type: Twist Drill Bit
• Material: High Speed Steel
• Usage: Metal Drilling
• Size: 6mm to 100mm
• Standards: 64HRC
• Style: Universal Tool
• Structure: Integral
• Cutting Process: Drilling Tools
• Work Type: Cut off
• Transport Package: Plastic Box
• Specification: 6mm to 100mm
• Trademark: stc
• Origin: Zhenjiang
• HS Code: 82075090
• Production Capacity: 1000000PCS

Product Description

Our taper shank drill bits are made from high quality of high speed steel M2.

We can make forged, milled or ground drill bits.

Kinds of sets available on request.

Hardness: 62--65 HRC

STC028M, HSS TAPER SHANK TWIST DRILL, Metric Series
DIN345, GOST10903								Pict
NOTE.: Standard delivery with 118° point,
Size	Flute Length	Overall Length	Morse Taper		Size	Flute Length	Overall Length	Morse Taper		Size	Flute Length	Overall Length	Morse Taper
6.00	57	138	1		20.00	140	238	2		36.0	195	344	4
6.20	63	144	1		20.25	145	243	2		36.5	195	344	4
6.50	63	144	1		20.50	145	243	2		37.0	195	344	4
6.80	69	150	1		20.75	145	243	2		37.5	195	344	4
7.00	69	150	1		21.00	145	243	2		38.0	200	349	4
7.20	69	150	1		21.25	150	248	2		38.5	200	349	4
7.50	69	150	1		21.50	150	248	2		39.0	200	349	4
7.80	75	156	1		21.75	150	248	2		39.5	200	349	4
8.00	75	156	1		22.00	150	248	2		40.0	200	349	4
8.20	75	156	1		22.25	150	248	2		40.5	205	354	4
8.50	75	156	1		22.50	155	253	2		41.0	205	354	4
8.80	81	162	1		22.75	155	253	2		41.5	205	354	4
9.00	81	162	1		23.00	155	253	2		42.0	205	354	4
9.20	81	162	1		23.25	155	276	3		42.5	205	354	4
9.50	81	162	1		23.50	155	276	3		43.0	210	359	4
9.80	87	168	1		23.75	160	281	3		43.5	210	359	4
10.00	87	168	1		24.00	160	281	3		44.0	210	359	4
10.20	87	168	1		24.25	160	281	3		44.5	210	359	4
10.50	87	168	1		24.50	160	281	3		45.0	210	359	4
10.80	94	175	1		24.75	160	281	3		45.5	215	364	4
11.00	94	175	1		25.00	160	281	3		46.0	215	364	4
11.20	94	175	1		25.25	165	286	3		46.5	215	364	4
11.50	94	175	1		25.50	165	286	3		47.0	215	364	4
11.80	94	175	1		25.75	165	286	3		47.5	215	364	4
12.00	101	182	1		26.00	165	286	3		48.0	220	369	4
12.20	101	182	1		26.25	165	286	3		48.5	220	369	4
12.50	101	182	1		26.50	165	286	3		49.0	220	369	4
12.80	101	182	1		26.75	170	291	3		49.5	220	369	4
13.00	101	182	1		27.00	170	291	3		50.0	220	369	4
13.20	101	182	1		27.25	170	291	3		50.5	225	374	4
13.50	108	189	1		27.50	170	291	3		51.0	225	412	5
13.80	108	189	1		27.75	170	291	3		52.0	225	412	5
14.00	108	189	1		28.00	170	291	3		53.0	225	412	5
14.25	114	212	2		28.25	175	296	3		54.0	230	417	5
14.50	114	212	2		28.50	175	296	3		55.0	230	417	5
14.75	114	212	2		28.75	175	296	3		56.0	230	417	5
15.00	114	212	2		29.00	175	296	3		57.0	235	422	5
15.25	120	218	2		29.25	175	296	3		58.0	235	422	5
15.50	120	218	2		29.50	175	296	3		59.0	235	422	5
15.75	120	218	2		29.75	175	296	3		60.0	235	422	5
16.00	120	218	2		30.00	175	296	3		61.0	240	427	5
16.25	125	223	2		30.25	180	301	3		62.0	240	427	5
16.50	125	223	2		30.50	180	301	3		63.0	240	427	5
16.75	125	223	2		30.75	180	301	3		64.0	245	432	5
17.00	125	223	2		31.00	180	301	3		65.0	245	432	5
17.25	130	228	2		31.25	180	301	3		66.0	245	432	5
17.50	130	228	2		31.50	180	301	3		67.0	245	432	5
17.75	130	228	2		31.75	185	306	3		68.0	250	437	5
18.00	130	228	2		32.0	185	334	4		69.0	250	437	5
18.25	135	233	2		32.5	185	334	4		70.0	250	437	5
18.50	135	233	2		33.0	185	334	4		71.0	250	437	5
18.75	135	233	2		33.5	185	334	4		72.0	255	442	5
19.00	135	233	2		34.0	190	339	4		73.0	255	442	5
19.25	140	238	2		34.5	190	339	4		74.0	255	442	5
19.50	140	238	2		35.0	190	339	4		75.0	255	442	5
19.75	140	238	2		35.5	190	339	4		76.0	260	447	5