Hand reamer HSS H7 DIN 206B

Product code

3020

Material to be processed

Steel, Cast metal, Stainless steel, Copper, Brass, Aluminium, Plastic

Cutting edge diameter (d1)

9.0 mm

Shank diameter (d2)

9 mm

Length (l1)

124 mm

Cutting edge length (l2)

62 mm

Projecting length (l3)

74 mm

Number of cutting edges (Z)

6 PCS

Core hole diameter

8.8 mm

Standards

DIN 206

Form

B

Cutting material

HSS

Surface

Uncoated

Groove type

Left-hand twist

Shank style

Cylindrical with square drive

Tolerance of fit

H7

Hole type

Clearance hole

Coolant supply

External

Service life (points system)

3 of 4 points

Versatility (points system)

4 of 4 points

Tolerance of cutting edge diameter

h7

Tolerance of shank diameter

h6

Material of sub-group

General structural steels, Non-alloyed tempering steels < 1000 N/mm², Alloyed tempering steels < 1000 N/mm², Nitriding steels < 1300 N/mm², Grey cast iron, Malleable cast iron, Stainless steels < 850 N/mm², Stainless steels > 850 N/mm², Copper, Brass, Aluminium, Plastics