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Drill Bit and Chisel Set, SDS Hammer Drill Bits Set, Double Flutes
Drill Bit and Chisel Set, SDS Hammer Drill Bits Set, Double Flutes
Drill Bit and Chisel Set, SDS Hammer Drill Bits Set, Double Flutes
Drill Bit and Chisel Set, SDS Hammer Drill Bits Set, Double Flutes
Drill Bit and Chisel Set, SDS Hammer Drill Bits Set, Double Flutes
Drill Bit and Chisel Set, SDS Hammer Drill Bits Set, Double Flutes

Drill Bit and Chisel Set, SDS Hammer Drill Bits Set, Double Flutes

Min.Order: 2,000
Product origin: Hangzhou, Zhejiang, China
Infringement complaint: complaintComplaint
US$ 0.5 ~ 1.5

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Product Description

 

Carbide TipHRA92.1
Diameter3.0mm-25.0mm
Length70-600mm
Working Length40-500mm
MaterialCarbon Steel
Surface TreatmentBlack Oxide, Ti-Coated, Amber Finished, Bright Finish
PackagingPVC Pouch, Plastic Tube, Plastic Hanger
ApplicationDrilling Concrete, Brickwork, and Nature Stone
CustomizationAcceptable
BrandUnion, OEM
StandardDIN, ISO
OriginChina

Drill Bits

Drill bits are cutting tools used to create cylindrical holes in materials such as wood, metal, concrete, and masonry. They are an essential tool for construction, manufacturing, DIY projects, and more. They are sold mostly as tool sets.

Drill bits come in sizes ranging from small 1mm bits to large 50mm bits and above. The material, surface treatment coating, and packaging design affect their performance and applications. Understanding drill bit types and using the correct one is key to efficient drilling. Regular maintenance and replacement of worn bits are also important. Overall, drill bits are indispensable tools that provide the openings and holes required in all kinds of DIY, building construction, and machine manufacturing work.

Recommended Cutting Parameter Table for Processing Various Materials Using High-Speed Steel Plate Drills
MaterialCutting speed m/minFeed rate mm/rCoolant ml/min
Low-carbon steel18-250.08-0.13≥40
Medium-carbon steel15-230.08-0.13≥40
High-carbon steel13-200.07-0.13≥40
Structural alloy steel14-220.07-0.13≥40
Tool steel11-160.07-0.13≥60
Stainless steel9-150.06-0.11≥200
Aluminium60-800.2-0.25≥80
Cast iron20-400.1-0.16No compressed air cooling required
Bronze21-300.12-0.18No compressed air cooling required
Brass35-500.15-0.21≥40
Titanium alloy4-100.07-0.13≥200
Manganese alloy10-180.05-0.1≥400
Superalloy8-200.05-0.1≥400

 

Recommended Cutting Parameter Table for Processing Various Materials Using Carbide Steel Plate Drills
MaterialCutting speed m/minFeed rate mm/rCoolant ml/min
Low-carbon steel38-500.07-0.12≥40
Medium-carbon steel35-450.07-0.12≥40
High-carbon steel35-450.07-0.12≥40
Structural alloy steel30-400.07-0.13≥40
Tool steel25-400.07-0.13≥60
Stainless steel12-210.08-0.12≥200
Aluminium80-1200.15-0.2≥80
Cast iron55-750,1-0.15No compressed air cooling required
Bronze48-600.1-0.15No compressed air cooling required
Brass30-420.1-0.15≥40
Titanium alloy6-150.1-0.13≥200
Manganese alloy15-280.07-0.1≥400
Superalloy13-240.07-0.1≥400

 

Main Fastener Coating
TypesApplicationSpray Test HoursCharacteristics
Mirror Nickel-platingALL Metal72HoursStable
Excellent polishing performance
Improve Wear resistance
Wide range of applications
Matt Nickel-platingALL Metal72Hours
Black Nickel-platingALL Metal48HoursHigh absorption rate of solar energy
Used in solar collector panels.
Manganese PhosphateALL Metal72HoursEnhanced resistance
Sand BlastALL Metal-Remove paint, rust, and residue scratches or casting marks
ElectrophoresisALL Metal1000HoursMaintain metallic luster
Anti-corrosion properties
Color ElectroplatingALL Metal96HoursImprove mental strength
Prevent metal oxidation
 
Steel Material  Chemical Composition
TypesCSiVCrMnNiMoCharacteristic
CR-MO0.18-0.230.15-0.35-0.40-0.600.90-1.20-0.13-0.2041xx-series SAE steel grades
Excellent strength-to-weight ratio
Stronger and harder
Not easily welded
CRV0.50.30.180.80-1.100.70-0.90--6000-series SAE steel grades
Suitable for hardening
Resist abrasion, oxidation, and corrosion
Improve material elasticity
S20.40-0.550.90-1.20<0.50-0.30-0.50<0.300.30-0.60One of seven types of shock-resisting steels under the AISI Classification
High strength
High toughness
Wear resistance
High hardness
Resistance to shock loading
45#0.42-0.050.17-0.37-≤0.250.50-0.80≤0.25-Compared with  A3, it has higher strength and resistance to deformation.
A30.95-1.050.10-0.500.15-0.504.75-5.500.40-1.00-0.90-1.40High-quality high carbon alloy tool steel

 

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