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China Drill Bits Twist HSS6542 1/2″ Reduced Shank Manufacturer Technical Specifications
HSS-6542 with cobalt
Type: 1/2 ” reduced shank twist drill
Material: HSS-6542 with cobalt
Drilling diameter: 12-39mm
Shank diameter: Ø10mm (Drilling dia:12-15mm) / Ø12.7mm (Drilling dia:15.5-39mm)
Application: Suitable for stainless steel, iron, copper, aluminum alloy, wood, plastic etc.
Not suitable for concrete, brick walls.
Country/Region of Manufacture China
Type Drill Bit
MPN Does Not Apply
Model NONE
Application Aluminium
Suitable For NONE
Diameter 12mm-39mm
Drill Bit Type Twist Drill Bit
Overall Length 5-29/32 in
Shank Type Round
Drill Bit Material HSS (High Speed Steel)
Package Quantity NONE
Number of Items in Set NONE
1.High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance.
2.Universal 118° point shape for drilling a wide selection of materials.
3.Precision ground point, flutes, body, clearance and drill diameter for the ultimate in accuracy and performance.
4.Ground flutes provide fast chip removal to maximize accuracy and efficiency along the full working surface of the bit.
What is a Reduced Shank Drill Bit Used For?
Reduced shank drill bits are primarily used when the required hole size exceeds the chuck capacity of the drill machine. They provide a practical solution for drilling large holes in metal, plastic, and other industrial materials5 without requiring specialized equipment.
Their flexibility makes them popular across manufacturing, maintenance, fabrication, and construction industries.
Which Materials and Industries Commonly Use Reduced Shank Drill Bits? 1/2″ High Speed Steel 13.5-35mm Diameter HSS Equal Shank Twist Drill Bits
Reduced shank drill bits are suitable for a wide range of materials because they are available in different HSS and cobalt grades.
Common materials include:
Carbon steel
Stainless steel
Cast iron
Aluminum
Copper
Brass
Plastic
Industries that frequently use reduced shank drill bits include: Ø12-35mm 1/2″ Reduced Shank Drill Bits Blacksmith HSS4241 Twist Drill for Steel Metal
Metal fabrication
Industrial maintenance
Construction
Automotive repair
Manufacturing plants
Steel structure production
Because one drill bit can fit standard machines while producing larger holes, these products remain highly practical for workshops that need flexibility.
What Features Should Procurement Managers Evaluate Before Bulk Purchasing Reduced Shank Drills?
Not all reduced shank drill bits offer the same performance. Material quality, heat treatment, and manufacturing accuracy6 all influence tool life and drilling efficiency . HSS Reduced Shank Twist Drill Bits High Speed Steel with 13mm – 35mm
Before placing bulk orders, buyers should evaluate:
Material grade (HSS, M2, M35, M42)
Hardness consistency
Point angle accuracy
Concentricity
Surface finish
Shank tolerance
These quality indicators help reduce customer complaints and improve repeat orders. HSS Drill Bit Reduced Shank for Precision Drilling
Reduced Shank Drill Bits Size Chart
