PRECISION COUNTERSINK 90° HSS/E

SKU 150378 20,5 Category

1.078.200 

200 in stock

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Technical data:
External ⌀:20.5 mm
Coating:uncoated
Countersink tip angle:90 degrees
Tool material:HSS E
Number of cutting edges Z:3
Standard:DIN 335 C
Shank:Plain shank with h9
Through-coolant:no
smallest countersink ⌀ for holes from:3.5 mm
Overall length L:63 mm
Shank ⌀ Ds:10 mm
for countersunk screws DIN 7991:M10
Feed f in stainless steel < 900xa0N/mm2:0.16 mm rev. Shank tolerance:h9 Colour ring:blue Pre-drill ⌀:3.5 mm Type of product:Stepped drill and countersink Version: All countersinks have 3 cutting edges, radially relieved. Flutes are ground from solid.High-precision countersink, produced with tight manufacturing tolerances similar to DIN 335-C.

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