DRILL BITS

HSS DIN 1869 EXTRA LONG DRILL BIT

-Extra long metal drill bits in top quality；

-Right-hand cutting twist drill type N, self-centering 135 drill point；

-For all drilling machines with a round shank drill holder；

-Professional processing of alloyed and unalloyed steel, cast steel, gray cast iron, sintered iron, malleable cast iron, non-ferrous metals and hard plastics.

Material Chart:

Coating:

Specification:

Diameter (D=mm)	Flute Length (L1=mm)	Overal Length (L2=mm)	Diameter (D=mm)	Flute Length (L1=mm)	Overal Length (L2=mm)	Diameter (D=mm)	Flute Length (L1=mm)	Overal Length (L2=mm)
2	85	125	3	130	190	3.5	180	265
2.5	95	140	3.5	145	210	4	190	280
3	100	150	4	150	220	4.5	200	295
3.5	115	165	4.5	160	235	5	210	315
4	120	175	5	170	245	5.5	225	330
4.5	125	185	5.5	180	260	6	225	330
5	135	195	6	180	260	6.5	235	350
5.5	140	205	6.5	190	275	7	250	370
6	140	205	7	200	290	7.5	250	370
6.5	150	215	7.5	200	290	8	265	390
7	155	225	8	210	305	8.5	265	390
7.5	155	225	8.5	210	305	9	280	410
8	165	240	9	220	320	9.5	280	410
8.5	165	240	9.5	220	320	10	295	430
9	175	250	10	235	340	10.5	295	430
9.5	175	250	10.5	235	340	11	310	455
10	185	265	11	250	365	11.5	310	455
10.5	185	265	11.5	250	365	12	330	480
11	195	280	12	260	375	12.5	330	480
11.5	195	280	12.5	260	375	13	330	480
12	205	295	13	260	375
12.5	205	295
13	205	295