Gold Member Since 2015
Audited Supplier
Jiangsu Goldmoon Industry Co., Ltd.

Drill Bit, Drill Set, Twist Drill manufacturer / supplier in China, offering Half Ground Twist Drill Bit (GM-dB008), 10PCS Wood Working Spade Drill Bit Set (GM-dB093), High Quality Super Cut Hand Ratchet Threader and so on.

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Supplier Homepage Product Drill Bits Twist Drills Half Ground Twist Drill Bit (GM-dB008)

Half Ground Twist Drill Bit (GM-dB008)

Purchase Qty.:
(Sets)
1,000-9,999 10,000+
FOB Unit Price: US $1.5 US $1
Purchase Qty. (Sets) FOB Unit Price
1,000-9,999 US $1.5
10,000+ US $1
Get Latest Price
Production Capacity: 1, 000, 000 Set/Year
Transport Package: on Customer′s Requiments
Payment Terms: L/C, T/T, D/P, Western Union, Paypal, Money Gram

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Basic Info
  • Model NO.: GM-DB008
  • Certification: Many
  • Type: Twist Drill Bit
  • Usage: Metal Drilling
  • Delivery Time: 25-35 Days
  • Trademark: GOLDMOON
  • Origin: China
  • Customized: Non-Customized
  • Length: Many
  • Material: High Speed Steel
  • Size: Available
  • Free Sample: Available
  • Specification: all sizes are available
  • HS Code: 82075090
Product Description
8pcs twist drill set
half ground bright finish
size: all can be adjusted according to requirements
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)
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