17PCS HSS Reduced Shank Drill

Basic Info

  • Model NO.: GMA020

  • Length: Jobber-length

  • Material: High Speed Steel

  • MOQ: 1set

  • Surface: Black and Golden Finish

  • Trademark: GOLDMOON

  • Specification: 1/2"~1"

  • HS Code: 82075090

  • Customized: Non-Customized

  • Type: Twist Drill Bit

  • Use: Metal Drilling

  • Shank: 1/2"

  • Delivery Time: 15-35days

  • Transport Package: Aluminum Case

  • Origin: Danyang

Product Description

Process: edge ground, milled

Point angle: 118 degree or 135 degree with split point

Material: HSS4241, HSS4341,  HSS6542(M2), HSS M35(5% Co), HSS M42 (8% Co)
Surface: Black finish, black and white, black and amber and amber finish etc
Packing: Plastic tube, shrink card, double bliser card, wooden case and aluminum case etc.
Application: For a wide range of drilling steel, cast steel, grey cast iron, malleable iron, sintered metal, low hardness alloyed materials and stainless steel etc.

1/2"-17/32"-9/16"-19/32"- 5/8"- 21/32"-11/16"- 23/32"- 3/4"-25/32"-13/16"-27/32"-7/8"- 29/32"-15/16" -31/32"-1"  with 1/2" Shank


MaterialComponent (%)
HSS 4241C (0.9~1.0); Si(1.0~1.3); Mn(0.25~0.4); P(0~0.035); S(0~0.009); 
Cr(3.8~4.2); Mo(0.55~0.85); W(1.6~2.0); V (0.4~0.65); Co(0)
HSS 4341C (0.83~0.93); Si(0.2~0.4); Mn(0.2~0.4); P(0~0.03); S(0~0.009); 
Cr(3.8~4.4); Mo(2.5~3.5); W(3.5~4.5); V (1.2~1.8); Co(0)
HSS 6542 (M2)C (0.8~0.9); Si(0.2~0.45); Mn(0.15~0.4); P(0~0.03); S(0~0.009); 
Cr(3.8~4.4); Mo(4.6~4.9); W(5.6~5.9); V(1.8~2.0); Co(0)
HSS 9341C (0.77~0.87); Si(0.2~0.4); Mn(0.2~0.4); P(0~0.03); S(0~0.009); 
Cr(3.8~4.4); Mo(2.7~3.3); W(8.5~9.5); V(1.3~1.7); Co(0)
HSS M35 (Co5%)C (0.8~0.9); Si(0.2~0.45); Mn(0.15~0.4); P(0~0.03); S(0~0.009); 
Cr(3.8~4.4); Mo(4.6~4.9); W(5.6~5.9);V(1.8~2.0); Co(4.6~4.9)