Page 3 - Wurth Total Catalogue

ApplicAtion overview for twist drill bits

Not suited ZEBRA ZEBRA
Partly suited
Well suited

DIN/Type 338 N 338 N 338 340 N ANSI
Short Short-Premium Short Long Short
Cutting Material HSS HSS HSCo (5% Co) HSS HSS
Art. No. Prefix 0624 00 ... 0624 09 ... 0626 ... 0629 ... 8443 980 ...
Field of use Examples
Application
Sheet steel St12 - St14

Steel (gen.) St34 - St70,
Profiled Steel Rods,
Boiler Plates
Special Steels VA2, VA4,
Acid - Resistant Steels
Stainless Steels VA2, VA4,
Acid - Resistant Steels
Heat - Resistant
Steels
Cast Iron Grey, Spheroidol,
Malleable Cast Iron
Titanium Titanium, Titanium
Alloys
Special Ni-Cr Nimonic
Alloys Hastelloy, Inconel, Monel
Plastics - Hard Bakelite, Pertinax,
(Duroplastics) Resopal
Plastics - Soft PA PE, PP, PVC,
(Thermoplastics) Acrylic Glass, Plexiglass
Non - Ferrous Metals Aluminium
Copper, Brass
Plasterboards Rigid Boards,
Gypsum Slabs,
Cement - Bound Boards
Wood Hard and Soft Wood,
Chipboard
Polymer - Based Artificial Stone, Marlan,
Materials Cast Stone
Technical Data
Feature
Drilling Depth Bit Ø Approx. 5 x Approx. 5 x Approx. 4 x Approx. 5 x Approx. 5 x
Point Angle Degree 130 o 118 o 130 o 118 o 135 o
Point Grinding Shape Conicol Envelope Fully Ground Split Point Cone Envelope Split Point
with opt. Split Point, Split Point C
Point Thinning C
Shaft Diameter mm 12.7 from Ø 13.0 12.7 from Ø 13.0 12.7 from Ø 13.0 Drill Bit Diameter Drill Bit Diameter
Surface 2 Steam Tempered Bright Finish Bare Vapour - Tempered Steam Tempered
AUS. pub. 08/14 © For Degrees of Strength N/mm <1,000 <1,000 <1,200 <1,000 <1,000
1.0 - 20.0
1.0 - 13.0
2.5 - 10.0
½ - ½
Diameter
mm
0.5 - 20.0
16
02 0501