Subland stepped drill bit, DIN 8378 RN medium, 90° - DRL-STEP-MF-DIN8378RNM-90DGR-HSS-D3,3MM

Subland stepped drill bit, DIN 8378 RN medium, 90°

Name: Subland stepped drill bit, DIN 8378 RN medium, 90°
Brand: Würth
SKU: 5443810202

Subland stepped drill bit HSS DIN 8378 medium 90°
DRL-STEP-MF-DIN8378RNM-90DGR-HSS-D3,3MM

Art.-no. 5443810202

EAN 4062856088218

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Subland stepped drill bit, DIN 8378 RN medium, 90°

Art.-no. 5443810202

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With straight shank for the production of core holes according to DIN 336 part 1, while simultaneously producing free countersinks (90°) according to through holes in line with ISO 273. The cutting speed depends on the large diameter, the feed on the small diameter.

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Product code	861
Material to be processed	Steel Cast metal Copper Brass Aluminium Plastic
Suitable for screw	M4
Standards	DIN 8378
Cutting material	HSS
Surface	Vaporised
Angle of the tip	118 Degree
Pilot hole diameter (d1)	3.3 mm
Spot-facer diameter (d2)	4.5 mm
Length (l1)	80 mm
Chip flute length (l2)	47 mm
Pilot hole length (l3)	11.4 mm
Countersink angle	90 Degree
Shank style	Cylindrical
Shank diameter	4.5 mm
Number of teeth	2 PCS
Coolant supply	External
Tolerance of cutting edge diameter	h8
Tolerance of shank diameter	h8
Type description	Quality grade medium
Material of sub-group	General structural steels Non-alloyed tempering steels < 1000 N/mm² Alloyed tempering steels < 1000 N/mm² Grey cast iron Malleable cast iron Copper Brass Aluminium Plastics