High Speed Steel Cobalt Drill Bits

• Customization: Available
• Customized: Customized
• Standard: DIN, JIS, AISI
• Model NO.: metric and inch
• Length: Jobber-length
• Type: Twist Drill Bit
• Material: High Speed Steel
• Usage: Metal Drilling
• Size: 0.5mm to 20mm
• Work Type: Cut off
• Transport Package: on Request
• Specification: 0.5mm to 20mm
• Trademark: stc
• Origin: Jiangsu
• HS Code: 82075090
• Production Capacity: 500000PCS/Size

Product Description

 

 

 

 

 

 

Straight shank drill bits (DIN338) type N

DIN338 straight shank dril bits are commonly called Jobbers and is of an intermediate length. DIN338 straight shank dril bits are furnished with a 118° Point; The smooth surface enhances the chip removal action. The straight shank style is suitable for a number of applications, materials, and can be used on a variety of equipment.

We can also follow GOST 4010, GOST 10902, GOST 886.

Can also supply in sets, 13PCS, 19PCS, 21PCS, 25PCS, 29PCS, 115PCS, in plastic box, metal box.

*** bushing twist drill bits ( straight shank with tang DIN339 on request)
***right hand and left hand twist drill bits on request
***split point and different helix angle drill bits on request
***tin-coating drill bits on request

d(mm)	l(mm)	L(mm)		d(mm)	l(mm)	L(mm)		d(mm)	l(mm)	L(mm)		d(mm)	l(mm)	L(mm)
0.25	3	19		2.65	30	57		7.10	69	107		11.90	101	151
0.30				2.70	33	61		7.20				12.00
0.35	4	19		2.75				7.30				12.10
0.40	5	20		2.80				7.40				12.20
0.45				2.85				7.50				12.30
0.50	6	22		2.90				7.60	75	117		12.40
0.55	7	24		2.95				7.70				12.50
0.60				3.00				7.80				12.60
0.65	8	26		3.10	36	65		7.90				12.70	101	151
0.70	9	28		3.20				8.00				12.80
0.75				3.30				8.10				12.90
0.80	10	30		3.40	39	70		8.20				13.00
0.85				3.50				8.30				13.10
0.90	11	32		3.60				8.40				13.20
0.95				3.70				8.50				13.30	108	160
1.00	12	34		3.80	43	75		8.60	81	125		13.40
1.05				3.90				8.70				13.50
1.10	14	36		4.00				8.80				13.60
1.15				4.10				8.90				13.70
1.20	16	38		4.20				9.00				13.80
1.25				4.30	47	80		9.10				13.90
1.30				4.40				9.20				14.00
1.35	18	40		4.50				9.30				14.25	114	169
1.40				4.60				9.40				14.50
1.45				4.70				9.50				14.75
1.50				4.80	52	86		9.60	87	133		15.00
1.55	20	43		4.90				9.70				15.25	120	178
1.60				5.00				9.80				15.50
1.65				5.10	52	86		9.90				15.75
1.70				5.20				10.00				16.00
1.75	22	46		5.30				10.10				16.25	125	184
1.80				5.40	57	93		10.20				16.50
1.85				5.50				10.30				16.75
1.90				5.60				10.40				17.00
1.95	24	49		5.70				10.50				17.25	130	191
2.00				5.80				10.60				17.50
2.05				5.90				10.70	94	142		17.75
2.10				6.00				10.80				18.00
2.15	27	53		6.10	63	101		10.90				18.25	135	198
2.20				6.20				11.00				18.50
2.25				6.30				11.10				18.75
2.30				6.40				11.20				19.00
2.35				6.50				11.30				19.25	140	205
2.40	30	57		6.60				11.40				19.50
2.45				6.70				11.50				19.75
2.50				6.80	69	109		11.60				20.00
2.55				6.90				11.70
2.60				7.00				11.80