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HOFFMANN – 122100

Description

GARANT Solid Carbide Jobber Drill Extra Stub GARANT, HOFFMANN

Technical specification

Version:

Similar to DIN 6539 (extra short).
Nominal ⌀ and shank ⌀ equal.

Note:

Flute length L_C = L₂ + 1.5 × D_C.

Non slip clamping in drill chuck No. 341050 with diamond coated jaws.

Technical Data

	122100 2	122100 2.6	122100 3.4	122100 5.1	122100 6.8
Shank tolerance	h7	h7	h7	h7	h7
Flute length L_c	12 mm	14 mm	2 mm	26 mm	34 mm
Number of cutting edges Z	2	2	2	2	2
Nominal ⌀ D_c	2 mm	2.6 mm	3.4 mm	5.1 mm	6.8 mm
Feed f in steel <1100 N/mm²	0.05 mm/rev.	0.05 mm/rev.	0.08 mm/rev.	0.08 mm/rev.	0.11 mm/rev.
Tolerance nominal ⌀	h7	h7	h7	h7	h7
Shank ⌀ D_s	2 mm	2.6 mm	3.4 mm	5.1 mm	6.8 mm
Overall length L	38 mm	43 mm	52 mm	62 mm	74 mm
Standard	DIN 6539	DIN 6539	DIN 6539	DIN 6539	DIN 6539
Recommended maximum drilling depth L₂	9 mm	10.1 mm	14.9 mm	18.4 mm	23.8 mm
Coating	Uncoated	Uncoated	Uncoated	Uncoated	Uncoated
Tool material	Solid carbide	Solid carbide	Solid carbide	Solid cabide	Solid carbide
Type	N	N	N	N	N
Point angle	118°	118°	118°	118°	118°
Helix angle	30°	30°	30°	30°	30°
Shank	Parallel shank to h7	Parallel shank to h7	Parallel shank to h7	Parallel shank to h7	Parallel shank to h7
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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