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HOFFMANN – 114020

Description

HOLEX HSS Jobber Drill Precision Roll Forged N HOFFMANN

Technical specification

HOLEX HSS Jobber Drill Precision Roll Forged N

Technical Data:

	114020 14	114020 15	114020 16	114020 18	114020 20
Number of cutting edges Z	2	2	2	2	2
Flute length L_c	108 mm	114 mm	120 mm	130 mm	140 mm
Nominal Ø D_c	14 mm	15 mm	16 mm	18 mm	20 mm
Feed f in steel < 750 N/mm²	0.16 mm/rev.	0.16 mm/rev.	0.2 mm/rev.	0.2 mm/rev.	0.2 mm/rev.
Tolerance nominal Ø	h8	h8	h8	h8	h8
Shank Ø D_s	14 mm	15 mm	16 mm	18 mm	20 mm
Overall length L	160 mm	169 mm	178 mm	191 mm	205 mm
Recommended maximum drilling depth L₂	87 mm	91.5 mm	96 mm	103 mm	110 mm
Point angle	118°	118°	118°	118°	118°
Shank	Plain shank	Plain shank	Plain shank	Plain shank	Plain shank
Coating	Uncoated	Uncoated	Uncoated	Uncoated	Uncoated
Tool material	HSS	HSS	HSS	HSS	HSS
Type	N	N	N	N	N
Through-coolant	No	No	No	No	No
Colour ring	Without	Without	Without	Without	Without
Type of product	Jobber drill	Jobber drill	Jobber drill	Jobber drill	Jobber drill

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