High Speed Steel Twist Drill Bits

• Customization: Available
• Standard: DIN, JIS, AISI
• Length: Jobber-length
• Model NO.: metric and inch
• Type: Twist Drill Bit
• Material: High Speed Steel
• Usage: Metal Drilling
• Size: 0.3mm to 28mm
• Transport Package: on Request
• Specification: 0.3mm to 28mm
• Trademark: stc
• Origin: Jiangsu
• HS Code: 82075090
• Production Capacity: 100000PCS Per Month

Product Description

our twist drill bits are made from high speed steel M2.

straigh shank size range from 0.3m to 28mm.

fully ground technology guaratee precision of drill bits.

Kinds of coating available on request.


 

Size	Flute Length	Overall Length		Size	Flute Length	Overall Length		Size	Flute Length	Overall Length		Size	Flute Length	Overall Length		Size	Flute Length	Overall Length
0.25	3	19		2.15	27	53		5.10	52	86		8.90	81	125		12.70	101	151
0.30				2.20				5.20				9.00				12.80
0.35	4	19		2.25				5.30				9.10				12.90
0.40	5	20		2.30				5.40	57	93		9.20				13.00
0.45				2.35				5.50				9.30				13.10
0.50	6	22		2.40	30	57		5.60				9.40				13.20
0.55	7	24		2.45				5.70				9.50				13.30	108	160
0.60				2.50				5.80				9.60	87	133		13.40
0.65	8	26		2.55				5.90				9.70				13.50
0.70	9	28		2.60				6.00				9.80				13.60
0.75				2.65				6.10	63	101		9.90				13.70
0.80	10	30		2.70	33	61		6.20				10.00				13.80
0.85				2.75				6.30				10.10				13.90
0.90	11	32		2.80				6.40				10.20				14.00
0.95				2.85				6.50				10.30				14.25	114	169
1.00	12	34		2.90				6.60				10.40				14.50
1.05				2.95				6.70				10.50				14.75
1.10	14	36		3.00				6.80	69	109		10.60				15.00
1.15				3.10	36	65		6.90				10.70	94	142		15.25	120	178
1.20	16	38		3.20				7.00				10.80				15.50
1.25				3.30				7.10				10.90				15.75
1.30				3.40	39	70		7.20				11.00				16.00
1.35	18	40		3.50				7.30				11.10				16.25	125	184
1.40				3.60				7.40				11.20				16.50
1.45				3.70				7.50				11.30				16.75
1.50				3.80	43	75		7.60	75	117		11.40				17.00
1.55	20	43		3.90				7.70				11.50				17.25	130	191
1.60				4.00				7.80				11.60				17.50
1.65				4.10				7.90				11.70				17.75
1.70				4.20				8.00				11.80				18.00
1.75	22	46		4.30	47	80		8.10				11.90	101	151		18.25	135	198
1.80				4.40				8.20				12.00				18.50
1.85				4.50				8.30				12.10				18.75
1.90				4.60				8.40				12.20				19.00
1.95	24	49		4.70				8.50				12.30				19.25	140	205
2.00				4.80	52	86		8.60	81	125		12.40				19.50
2.05				4.90				8.70				12.50				19.75
2.10				5.00				8.80				12.60				20.00