Ss Twist Drill Bits

• Customization: Available
• Customized: Customized
• Standard: DIN, JIS, AISI, API
• Model NO.: metric and inch
• Material: High Speed Steel
• Usage: Metal Drilling
• Size: 0.5mm to 20mm
• Transport Package: Plastic Box
• Specification: 0.3mm to 25mm
• Trademark: stc
• Origin: Jiangsu
• HS Code: 82075090
• Production Capacity: 1000000

Product Description

Our straight shank twist drill bits are made from high quality of high speed steel.

We make forged, milled or ground drill bits.

Tin coating, grey colors. Or white polished available on request.

Kinds of sets available on request.

Standard: DIN 338, DIN 340, DIN 1869

Gost 10902, gost 886, gost 4010.

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