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M35 HSS-CO Cobalt Two Stage Step Drill Bit Screw Twist Countersink Drill for Stainless Drilling and Chamfering

M35 HSS-CO Cobalt Two Stage Step Drill Bit Screw Twist Countersink Drill for Stainless Drilling and Chamfering

Detail Information
Application:
Nonferrous Metals, Steel
Surface Finishing:
Super Life Tialn
Bit Type:
2Flute
Point Angle:
90°, 180°
Product Name:
Countersink Drill Bit
Type:
Core Drill Bit
Highlight:

M35 HSS-CO Cobalt Countersink Drill Bit

,

2Flute Countersink Drill Bit

,

90° Countersink Drill Bit

Product Description
M35 HSS-Co Cobalt Two-Stage Step Drill Bit
Screw Twist Countersink Drill for Stainless Steel Drilling & Chamfering
Product Description

The M35 HSS-Co Cobalt Two-Stage Step Drill Bit is specially designed for drilling and chamfering stainless steel and other hard metals in one operation. Manufactured from M35 cobalt high-speed steel (5% cobalt), this drill bit offers excellent heat resistance, wear resistance, and cutting performance, making it ideal for demanding applications.

The two-stage step design allows precise hole drilling and smooth countersinking, improving efficiency and ensuring clean, burr-free finishes.

Key Features
M35 HSS-Co Cobalt Material
  • Contains 5% cobalt for superior hardness and heat resistance
  • Excellent performance in stainless steel and hard metals
Two-Stage Step Design
  • Drilling and countersinking completed in one operation
  • Saves machining time and improves work efficiency
Sharp Twist Cutting Edge
  • Smooth chip evacuation and stable cutting
  • Reduces vibration and improves hole quality
Precision Countersink Angle
  • Produces clean chamfered edges
  • Ideal for screw head seating and finishing
Long Tool Life
  • High wear resistance and reduced edge chipping
  • Suitable for continuous and high-load drilling
Technical Specifications
Item Specification
Tool Type Two-Stage Step Drill Bit
Material M35 HSS-Co (5% Cobalt)
Cutting Design Twist Drill + Countersink
Application Drilling & Chamfering
Suitable Material Stainless Steel, Steel, Alloy Steel
Shank Type Straight Shank
Surface Finish Bright / Black / Coated (Optional)
Applications
  • Stainless steel drilling and chamfering
  • Screw hole preparation
  • Sheet metal and plate processing
  • Machinery manufacturing
  • Maintenance and fabrication work
Advantages
  • One-step drilling and countersinking
  • High heat resistance for stainless steel
  • Smooth holes with clean chamfer edges
  • Improved efficiency and reduced tool change
Customization Available
  • Different drill and countersink sizes available
  • Custom countersink angles
  • OEM / ODM branding supported
M35 HSS-CO Cobalt Two Stage Step Drill Bit Screw Twist Countersink Drill for Stainless Drilling and Chamfering 0
M35 HSS-CO Cobalt Two Stage Step Drill Bit Screw Twist Countersink Drill for Stainless Drilling and Chamfering 1