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

Drill Bit, Drill Set, Drill Bit Set manufacturer / supplier in China, offering 8PCS 1/2" Reduced Shank Drill Bit Set in Aluminum Case, Half Dipped Black Polyester Liner Green Latex Coated Foam Finish Digging Garden Gloves, 69 in 1 Multi-Bit Repair Tools Screw Screwdrivers Kit and so on.

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Supplier Homepage Product Drill Bits Twist Drills 8PCS 1/2" Reduced Shank Drill Bit Set in Aluminum Case

8PCS 1/2" Reduced Shank Drill Bit Set in Aluminum Case

Purchase Qty.:
100-199 200-499 500+
FOB Unit Price: US $10 US $9 US $8
Purchase Qty. (Sets) FOB Unit Price
100-199 US $10
200-499 US $9
500+ US $8
Get Latest Price
Port: Shanghai, China
Production Capacity: 50 Thousand Sets Per Month
Payment Terms: L/C, T/T, D/P, Western Union, Paypal, Money Gram

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Basic Info
  • Model NO.: GMA0080
  • Length: Jobber-length
  • Material: High Speed Steel
  • Surface Treatment: Black, Amber, Amber&Black, Black&White
  • Shank: 1/2"
  • Trademark: GOLDMOON
  • Specification: 9/16~1"
  • HS Code: 82075090
  • Customized: Non-Customized
  • Type: Twist Drill Bit
  • Usage: Metal Drilling
  • MOQ: 1PC
  • Surface: Ti-Coated Finish
  • 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.

9/16" HSS Drill Bit
5/8" HSS Drill Bit
11/16" HSS Drill Bit
3/4" HSS Drill Bit
13/16" HSS Drill Bit
7/8" HSS Drill Bit
15/16" HSS Drill Bit
1" HSS Drill Bit
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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Ms. Kathy Ji
General Manager
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