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Fastener System for Excellence (An ISO 9001 : 2008 Certified Co.)

Drill Rod

Specifications For Drill Rod

Alloy Tool Steel Drill Rod
CR-V Alloy Silversteel

115 Cr V3
Steel Nr. 1.2210

Cr-V-alloyed tool steel with high strength
Maintains blade sharpness
Good machinability when spheroidized-annealed
Small distortion on oil hardening (possible up to approx. 9mm)
C 1.15%
Cr 0.70%
V 0.10%
Si 0.25%
Mn 0.30%
Twist drills and thread taps, reamers, piercing dies, ejectors, arbors, engraving tools, scrapers, files, etc.
Is preferably used with silver steel finish in smallest tolerances
Spheroidized-annealed, drawn, ground and polished Max 750 N/mm2 (220HB)
Hot Shaping -> 1050-850 degrees C
Soft Annealing Temperature -> 710-750 degrees C
Hardening Temperature -> 810-840 degrees C in oil
780-810 degrees C in water
Hardness
in HRC
Drill Rod
Annealing Temperature in degrees Celsius
Nomimal Dimension Tolerance Zone in mm (external measurements)
Over To h8 (Steel)
0 1 0 -0.014
1 3 0 -0.014
3 6 0 -0.018
6 10 0 -0.022
10 18 0 -0.027
18 30 0 -0.033
Nomimal Dimension Tolerance Zone in mm (external measurements)
Over To h9 (Stainless Steel)
1 3 0 -0.025
3 6 0 -0.030
6 10 0 -0.036
10 18 0 -0.043
18 30 0 -0.052

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