25PCS HSS Fully Ground Twist Drill Bit Set (GMA015)

25PCS HSS Fully Ground Twist Drill Bit Set (GMA015)
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Product Details
Basic Info
  • Model NO.: GMA015

  • Certification: Many

  • Type: Twist Drill Bit

  • Use: Metal Drilling

  • Free Sample: Available

  • Finish: Bright

  • Transport Package: on Customer′s Requiments

  • Origin: China

  • Customized: Non-Customized

  • Length: Many

  • Material: High Speed Steel

  • Size: Available

  • Delivery Time: 15-35 Days

  • Trademark: GOLDMOON

  • Specification: all sizes are available

  • HS Code: 82075090

Product Description

25pcs twist drill set
size: 1.0-13.0 x 0.5mm
fully ground bright finish
Product name25pcs HSS Fully Ground Twist Drill Set 
Item NO.GMA025
Descriptionfully ground, bright finish
Packingmetal box
Delivery time25-45 days

Chemical composition     
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)

Youjie Tools is one of the top level China Drill Bits manufacturers, and also a professional factory, welcome to wholesale cheap 25pcs hss fully ground twist drill bit set (gma015) from our company.