Twist drill bits HSS DIN 338 type RN TIN head

Name: Twist drill bits HSS DIN 338 type RN TIN head
Brand: Würth
SKU: 0624020850

Twist drill bit HSS DIN 338 type RN TiN
DRL-TWST-MET-DIN338-HSS-TIN-D8,5MM
ZEBRA

Art.-no. 0624020850

EAN 4046777955293

All versions

Specification

TiN head coated steel precision drill for general, broad applications in steel up to 850 N/mm² strength and cast iron.

Precise & Quick drilling

The sturdy twist drill with its short design provides for precise drilling.

Very precise tip and the related precise cutting geometry, a constant drilled-hole quality is ensured, ideal for core hole drilling.

Optimized crosswise drill point narrowing provides 20% lower feed force saving compared with conventional drill bit.

Self-centering

The crosswise grinding ensures an excellent centering effect even on domed surfaces, eliminating the need for center-punching or piloting.

Long tool life

The TiN coating increase the heat resistance up to 600º, which provides 3 times more tool life in comparison with a non-coated HSS drill

Product packaging made from 100 % PCR (recycled plastic from household waste) and 100 % recyclable

Notice

The Ø 13.0 mm drill shank is reduced to Ø 12.7 mm.

Technical information

Material to be processed	Steel
Standard / drilling depth	DIN 338 / 5xD
Diameter (Ø)	8.5 mm
Length (l1)	117 mm
Chip flute length (l2)	75 mm
Shank diameter	8.5 mm
Shank style	Cylindrical
Surface	TiN
Cutting material	HSS
Type	RN
Angle of the tip	130 Degree
Service life (points system)	4 of 4 points
Drilling speed (point system)	3 of 4 points
Bore hole quality (point system) ( )	4 of 4 points
Versatility (points system)	2 of 4 points
Drilling behaviour (point system)	3 of 4 points
Suitable for drill (points system)	3 of 4 points
Suitable for cordless drills (points system)	3 of 4 points
Suitable for upright drilling machine (points system)	3 of 4 points
Suitable for milling-drilling centre (points system)	2 of 4 points
Self-centring	Yes

Documents

Product information

Würth Catalogue

Datasheets(X)

Certificates/ Documents

Accessory

Additive article:

Product

Description

Quantity

Price
/PU

Twist drill assortment HSS DIN 338 type RN TiN head

DRL-MET-SET-DIN338-HSS-TINT-(D1-10)-0,5

ZEBRA

Art.-no. 0624020001

19 pieces TiN head coated steel precision drill bit for general, broad applications in steel up to 850 N/mm² strength and cast iron.

x 1 pcs

Twist drill assortment HSS DIN 338 type RN TiN head

DRL-MET-SET-DIN338-HSS-TINT-(D1-13)-0,5

ZEBRA

Art.-no. 0624020004

25 pieces TiN head coated steel precision drill bit for general, broad applications in steel up to 850 N/mm² strength and cast iron.

x 1 pcs

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