Drill Rod | Specifications For Drill Rod | Button Head Socket | Fasteners

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
	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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