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8621G

Orig.Dürr

CORE DRILLS

straight shank core drills right hand cutting

DIN 344

DIN 344 - Type N.
HSS.
3-fluted type.
For enlarging holes previously obtained, through drilling, punching and fusion.
The drill is not able to make holes from full load.
Cylindrical drive shank. RIGHT-HAND rotation.

Helix with additional drain. Particularly suitable for mold makers.

Attention: the optimal pre-hole must have a Ø 10% - 20% approx. smaller than the real core drill Ø.
While stocks last they will be supplied in HSS-E.

	Cod. Art.	Cad.	Cod. Prod.	Effective broadening Ø mm	Pre-bore min Ø mm	Helix length mm	Overall length mm	Peso Art
(*)	8621G 5	€ 0	215-21	5	3,5	74	108	0.015
(*)	8621G 6	€ 0	215-21	6	4,2	80	116	0.016
(*)	8621G 7	€ 0	215-21	7	4,9	93	133	0.024
(*)	8621G 8	€ 0	215-21	8	5,6	100	142	0.037
(*)	8621G 9	€ 0	215-21	9	6,3	107	151	0.06
(*)	8621G 10	€ 0	215-21	10	7	116	162	0.07
(*)	8621G 11	€ 0	215-21	11	7,7	125	173	0.08
(*)	8621G 12	€ 0	215-21	12	8,4	134	184	0.11
(*)	8621G 13	€ 0	215-21	13	9,1	134	184	0.13
(*)	8621G 14	€ 0	215-21	14	9,8	142	194	0.15
(*)	8621G 15	€ 0	215-21	15	10,5	147	202	0.175
(*)	8621G 16	€ 0	215-21	16	11,2	153	211	0.24
(*)	8621G 17	€ 0	215-21	17	11,8	159	218	0.26
(*)	8621G 18	€ 0	215-21	18	12,5	165	226	0.31
(*)	8621G 19	€ 0	215-21	19	13,2	171	234	0.36
(*)	8621G 20	€ 0	215-21	20	14	177	242	0.4

8621G

CORE DRILLS

straight shank core drills right hand cutting

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