Send Message
Good price  online

products details

Created with Pixso. Home Created with Pixso. Products Created with Pixso.
BI Metal Hole Saws
Created with Pixso. Professional 35mm M42 Cobalt Bi-Metal Hole Saw | 8% Cobalt HSS | Industrial Cutter for Stainless Steel, Heavy Steel Plate & Hardwood Wood MRO

Professional 35mm M42 Cobalt Bi-Metal Hole Saw | 8% Cobalt HSS | Industrial Cutter for Stainless Steel, Heavy Steel Plate & Hardwood Wood MRO

Brand Name: XRTOOLS
Model Number: 35
MOQ: 500PCS
Price: $0.35-22/PCS
Delivery Time: 30-35 days
Payment Terms: L/C, T/T, D/P, Western Union, MoneyGram
Detail Information
Place of Origin:
CHINA
Certification:
ISO9000
Name:
Hss Bi Metal Hole Saw
Type:
Hole Saw
Diameter:
35mm
Body Material:
Bimetallic Material
Cutting Depth:
38mm
Surface Finish:
Color Painting
Use:
Plastic Plywood Ceiling Thin Metal
Material:
HIGH SPEED STEEL,M42
Shank:
Triangle Shank / Hex Shank,Three-flat Shank
Oem:
Acceptable
Packaging Details:
Color paper box
Supply Ability:
10000PCS PER DAY
Highlight:

m42 bi metal hole saws

,

m42 cobalt hole saw kit

,

hss bi metal hole saws

Product Description

1. Product Introduction: The "High-Torque" Powerhouse

 

The 35mm M42 Cobalt Series is built for professionals who push their tools to the limit. While standard saws fail under the high torque required for a 35mm diameter, our M42 version thrives. By combining a certified 8% Cobalt cutting edge with a reinforced alloy backer, we’ve created a tool that maintains its structural integrity and razor-sharpness even during continuous boring in high-tensile metals.

 

Whether you are installing industrial conduits in galvanized boxes or cutting holes for heavy-duty plumbing fixtures, this 35mm cutter delivers a cooler, faster, and more precise result every time.

 

Professional 35mm M42 Cobalt Bi-Metal Hole Saw | 8% Cobalt HSS | Industrial Cutter for Stainless Steel, Heavy Steel Plate & Hardwood Wood MRO 0

 

 

2. Multi-Dimensional Performance Architecture

 

 

 

Performance Pillar Technical Implementation Operational Result
Metallurgy HSS M42 (8% Cobalt) Thermal Stability: Prevents tooth softening at high RPMs.
Cutting Action 4/6 TPI Variable Pitch Geometry Resonance Control: Eliminates "chatter" for mirror-smooth holes.
Fusion Integrity Electron-Beam Vacuum Welding Impact Resistance: Teeth won't strip when hitting metal studs.
Core Management Angled Side-Ejection Windows Zero Downtime: Rapid "plug" removal in seconds.
Durability Industrial-Grade Heat Shield Coating Friction Reduction: Prevents material fusion to the teeth.

 

 

3. Differentiated Engineering Solutions

 

  • Red-Hardness Advantage: For a 35mm diameter, the outer edge moves significantly faster than smaller saws, generating intense localized heat. Our M42 Cobalt formula ensures the teeth remain hardened even when they turn "cherry red" under load. This is the difference between a tool that lasts for 100 holes versus one that dies after 5.

  • Dynamic Energy Distribution: Standard saws often "catch" and kick back. Our Variable Pitch (4/6 TPI) design uses alternating tooth heights and gullet depths to distribute cutting energy unevenly. This breaks the harmonic frequency, resulting in 40% less vibration and a safer experience for the operator.

  • Reinforced Base Plate: To handle the extreme torque of a 35mm cut, the base of our hole saw is precision-machined and thickened. This prevents the arbor holes from "egging out" (deforming) under the heavy load of a high-torque industrial drill.

 

 

4. Primary Product Applications: Professional Scope

  • Industrial Electrical: Large entry points for 1-1/2" conduit glands and heavy-duty switchgear.

  • Commercial Locksmithing: Precision boring for pot-light style recessed fixtures and large door hardware.

  • Marine & Automotive: Drilling through thick fiberglass hulls, aluminum panels, and high-tensile steel frames.

  • Plumbing & HVAC: Creating clean paths for 1-1/4" and 1-1/2" piping through dense subflooring and metal joists.

 

Professional 35mm M42 Cobalt Bi-Metal Hole Saw | 8% Cobalt HSS | Industrial Cutter for Stainless Steel, Heavy Steel Plate & Hardwood Wood MRO 1

 

5. Pro-FAQ (Technical Support)

 

Q: Why use M42 instead of TCT (Tungsten Carbide Tipped) for 35mm?

 

A: While TCT is hard, it is brittle. Our M42 Bi-Metal offers the perfect balance: it’s hard enough to cut stainless steel but flexible enough to survive hitting a nail or a sudden impact without the teeth shattering.

 

Q: What is the ideal speed for 35mm in Mild Steel?

 

A: For maximum tool life, we recommend 115 - 125 RPM. If you are cutting Stainless Steel, drop the speed to 55 - 65 RPM and always use high-quality cutting oil.

 

Q: Will this fit my existing 7/16" Hex Arbor?

 

A: Yes. This 35mm saw uses the standard 5/8"-18 thread interface, making it compatible with all professional-grade large arbors.