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

Drill Bit, Drill Set, Cutting Tools manufacturer / supplier in China, offering HSS Roll-Forged Black Finish Twist Drill Bit, 530mm High Visibility Green Cantilever Storage Toolbox, 56PC Ribe, Spline, Hex, Screw Security Trx-Star Bit Set and so on.

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Supplier Homepage Product Drill Bits Twist Drills HSS Roll-Forged Black Finish Twist Drill Bit

HSS Roll-Forged Black Finish Twist Drill Bit

Purchase Qty.:
(Pieces)
1,000-2,999 3,000+
FOB Unit Price: US $1 US $0.8
Purchase Qty. (Pieces) FOB Unit Price
1,000-2,999 US $1
3,000+ US $0.8
Get Latest Price
Production Capacity: 2 Million PCS Per Month
Transport Package: Adjustment According to Customers′ Requirements
Payment Terms: L/C, T/T, D/P, Western Union, Paypal

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Basic Info
  • Model NO.: GMA10000
  • Certification: Many
  • Type: Twist Drill Bit
  • Usage: Metal Drilling
  • Delivery Time: 15-35 Days
  • Inch Size: Available
  • MOQ: 1PC
  • Specification: all sizes are available
  • HS Code: 82075090
  • Customized: Non-Customized
  • Length: as Per Customer
  • Material: High Speed Steel
  • Size: Available
  • Free Sample: Available
  • Surface Treatment: Black
  • Trademark: GOLDMOON
  • Origin: Danyang
Product Description
Production standard: DIN338      
     
Process: roll-forged            

Point angle: 118 degree      
     
Material: HSS4241, HSS4341,  HSS6542(M2)  
         
Surface: Black finish      
     
Packing: neutral PVC bag, envelope bag, plastic wallet,plastic box (with/without hanger),shrink card, double bliser card etc.     
       
Application: For drilling steel, cast steel, grey cast iron, malleable iron, sintered metal,  and low hardness alloyed materials etc.  
         
BSCI certified            
            
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)

Specification (mm): 
D: diameter
L1: total length
L2: flute length
DL1L2 DL1L2 DL1L2
0.2192.5 2.856133 9.613387
0.22192.5 2.96133 9.713387
0.25193 2.956133 9.813387
0.28193 36133 9.913387
0.3193 3.16536 1013387
0.32194 3.26536 10.113387
0.35194 3.36536 10.213387
0.38194 3.47039 10.313387
0.4205 3.57039 10.413387
0.42205 3.67039 10.513387
0.45205 3.77039 10.613387
0.48205 3.87543 10.714294
0.5226 3.97543 10.814294
0.52226 47543 10.914294
0.55247 4.17543 1114294
0.58247 4.27543 11.114294
0.6247 4.38047 11.214294
0.62268 4.48047 11.314294
0.65268 4.58047 11.414294
0.68289 4.68047 11.514294
0.7289 4.78047 11.614294
0.72289 4.88652 11.714294
0.75289 4.98652 11.814294
0.783010 58652 11.9151101
0.83010 5.18652 12151101
0.823010 5.28652 12.1151101
0.853010 5.38652 12.2151101
0.883211 5.49357 12.3151101
0.93211 5.59357 12.4151101
0.923211 5.69357 12.5151101
0.953211 5.79357 12.6151101
0.983412 5.89357 12.7151101
13412 5.99357 12.8151101
1.053412 69357 12.9151101
1.13614 6.110163 13151101
1.153614 6.210163 13.1151101
1.23816 6.310163 13.2151101
1.253816 6.410163 13.3160108
1.33816 6.510163 13.4160108
1.354018 6.610163 13.5160108
1.44018 6.710163 13.6160108
1.454018 6.810969 13.7160108
1.54018 6.910969 13.8160108
1.554320 710969 13.9160108
1.64320 7.110969 14160108
1.654320 7.210969 14.25169114
1.74320 7.310969 14.5169114
1.754622 7.410969 14.75169114
1.84622 7.510969 15169114
1.854622 7.611775 15.25178120
1.94622 7.711775 15.5178120
1.954924 7.811775 15.75178120
24924 7.911775 16178120
2.054924 811775 16.25184125
2.14924 8.111775 16.5184125
2.155327 8.211775 16.75184125
2.25327 8.311775 17184125
2.255327 8.411775 17.25191130
2.35327 8.511775 17.5191130
2.355327 8.612581 17.75191130
2.45730 8.712581 18191130
2.455730 8.812581 18.25198135
2.55730 8.912581 18.5198135
2.555730 912581 18.75198135
2.65730 9.112581 19198135
2.655730 9.212581 19.25205140
2.76133 9.312581 19.5205140
2.756133 9.412581 19.75205140
2.86133 9.512581 20205140

Remark: Inch size also supplied
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