DRILL BITS

HSS DIN 1897 EXTRA LONG DRILL BIT

-Short and fast Cobalt Alloy high-performance and stable steel with a higher strength of thermal fleece;

-High break resistencvia against the, Deskew in the form of conical tip with split point ;

-For steel links and without alear, saucepan girs, malleable iron, chrome high alloy Aceros such as stainless steel and Aceros acid-resistant and rust.

metal drill bit.jpg

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)
1	6	26	4.9	26	62	12.7	51	102
1.1	7	28	5	26	62	12.8	51	102
1.2	8	30	5.1	26	62	12.9	51	102
1.3	8	30	5.2	26	62	13	51	102
1.4	9	32	5.3	28	66	13.1	51	102
1.5	9	32	5.4	28	66	13.2	51	102
1.6	10	34	5.5	28	66	13.3	54	107
1.7	10	34	5.6	28	66	13.4	54	107
1.8	11	36	5.7	28	66	13.5	54	107
1.9	11	36	5.8	28	66	13.6	54	107
2	12	38	5.9	28	66	13.7	54	107
2.1	12	38	6	28	66	13.8	54	107
2.2	13	40	6.1	31	70	13.9	54	107
2.3	13	40	6.2	31	70	14	54	107
2.4	14	43	6.3	31	70	14.25	56	111
2.5	14	43	6.4	31	70	14.5	56	111
2.6	14	43	6.5	31	70	14.75	56	111
2.7	16	46	6.6	31	70	15	56	111
2.8	16	46	6.7	31	70	15.25	58	115
2.9	16	46	6.8	34	74	15.5	58	115
3	16	46	6.9	34	74	15.75	58	115
3.1	18	49	7	34	74	16	58	115
3.2	18	49	7.1	34	74	16.25	58	119
3.3	18	49	7.2	34	74	16.5	58	119
3.4	20	52	7.3	34	74	16.75	58	119
3.5	20	52	7.4	34	74	17	58	119
3.6	20	52	7.5	34	74	17.25	62	123
3.7	20	52	7.6	37	79	17.5	62	123
3.8	22	55	7.7	37	79	17.75	62	123
3.9	22	55	7.8	37	79	18	62	123
4	22	55	7.9	37	79	18.25	62	127
4.1	22	55	8	37	79	18.5	62	127
4.2	22	55	8.1	37	79	18.75	62	127
4.3	24	58	8.2	37	79	19	62	127
4.4	24	58	8.3	37	79	19.25	66	131
4.5	24	58	8.4	37	79	19.5	66	131
4.6	24	58	8.5	37	79	19.75	66	131
4.7	24	58	8.6	40	84	20	66	131
4.8	26	62	8.7	40	84