• 📦 AU 3–7 Business Days | International 7–14 Business Days
  • ⚡ Express Shipping Available at Checkout
  • 🇦🇺 Australian-Based Support | Mon–Fri
21mm Bi-Metal M42 High Speed Steel Hole Saw with Pilot Drill Bit

Description

Professional-Grade Cutting Performance for Australian Trades

Unlock precise, effortless hole cutting with the 21mm Bi-Metal M42 High-Speed Steel Hole Saw with Pilot Drill Bit. Engineered for the tough demands of Australian worksites and home workshops, this hole saw delivers exceptional durability and clean results every time.

Superior Materials for Extreme Conditions

Made from top-tier M42 bi-metal high-speed steel, this tool offers outstanding hardness (≥65 HRC), heat resistance, and wear resistance. It maintains a sharp cutting edge even under high temperatures and continuous use, so you can power through materials without deformation or dulling.

Smart Design for Effortless Operation

The optimized multi-hole layout and spring-guided pilot drill automatically eject cuttings after each pass. This smart chip removal system reduces blockages and saves you time – no more stopping to clean debris. Clear size markings let you grab the right bit instantly, while the universal shank ensures fast, secure clamping in most drill chucks.

Versatile Across Multiple Materials

  • Wood, plywood, and MDF
  • Plastic, PVC, and rubber
  • Gypsum board and plaster
  • Thin metals such as aluminium and mild steel

Whether you’re tackling plumbing, electrical, HVAC installations, or weekend DIY, this hole saw handles it all with precision and reliability.

Professional Tips for Best Results

For metal cutting, keep the cutting area lubricated with water or cutting oil to reduce heat and extend blade life. Always use appropriate personal protective equipment and follow safe drilling practices.

21mm Bi-Metal M42 High Speed Steel Hole Saw with Pilot Drill Bit
Product form

$37.80  $33.25 Incl. TAX

SKU: V1107-147-42011

In stock In Stock — Usually dispatched within 1–3 business days

  • 🌏 Shipping worldwide — costs calculated at checkout. Customs duties may apply to international orders.
    Secure Payment Options
    • American Express
    • Apple Pay
    • Bancontact
    • Google Pay
    • iDEAL Wero
    • Mastercard
    • PayPal
    • Shop Pay
    • Union Pay
    • Visa

    256-bit SSL encrypted · Safe & secure checkout

    • 🔒 Secure Checkout  |  🇦🇺 Australian-Based Support  |  🔄 30-Day Returns
      Why Buy from Decorus?
    • Carefully selected products from trusted suppliers
    • Secure checkout with multiple supported payment options
    • Australian-based support team available Mon–Fri
    • Help available before and after your purchase
      Shipping & Returns

    Shipping
    We ship to destinations worldwide. Shipping costs are calculated at checkout based on your delivery location. Estimated delivery: 3–7 business days within Australia, 7–14 business days internationally. Timeframes may vary by product, supplier and destination. View our Shipping Policy.

    Returns
    Eligible unused products may be returned in accordance with our Returns and Refunds Policy. Conditions, fees and exclusions may apply. View our Returns and Refunds Policy.

    Questions?
    Contact our Australian-based support team at support@decorus.com.au.

    Description

    Professional-Grade Cutting Performance for Australian Trades

    Unlock precise, effortless hole cutting with the 21mm Bi-Metal M42 High-Speed Steel Hole Saw with Pilot Drill Bit. Engineered for the tough demands of Australian worksites and home workshops, this hole saw delivers exceptional durability and clean results every time.

    Superior Materials for Extreme Conditions

    Made from top-tier M42 bi-metal high-speed steel, this tool offers outstanding hardness (≥65 HRC), heat resistance, and wear resistance. It maintains a sharp cutting edge even under high temperatures and continuous use, so you can power through materials without deformation or dulling.

    Smart Design for Effortless Operation

    The optimized multi-hole layout and spring-guided pilot drill automatically eject cuttings after each pass. This smart chip removal system reduces blockages and saves you time – no more stopping to clean debris. Clear size markings let you grab the right bit instantly, while the universal shank ensures fast, secure clamping in most drill chucks.

    Versatile Across Multiple Materials

    • Wood, plywood, and MDF
    • Plastic, PVC, and rubber
    • Gypsum board and plaster
    • Thin metals such as aluminium and mild steel

    Whether you’re tackling plumbing, electrical, HVAC installations, or weekend DIY, this hole saw handles it all with precision and reliability.

    Professional Tips for Best Results

    For metal cutting, keep the cutting area lubricated with water or cutting oil to reduce heat and extend blade life. Always use appropriate personal protective equipment and follow safe drilling practices.

    What Our Customers Say

    Trusted by shoppers across Australia and worldwide for quality products, fast delivery and excellent service.

    • Absolutely stunning quality. The Satin Brass hinges transformed our front door — exactly what we were looking for.5/5 Sarah M., Sydney
    • Fast delivery and great quality. Arrived well packaged and exactly as described. Will definitely be ordering again!5/5 James T., Melbourne
    • Premium product, great price. The Zanda hinges are solid and look incredible on our new doors.5/5 Lisa K., Brisbane
    • Absolutely stunning quality. The Satin Brass hinges transformed our front door — exactly what we were looking for.5/5 Sarah M., Sydney
    • Fast delivery and great quality. Arrived well packaged and exactly as described. Will definitely be ordering again!5/5 James T., Melbourne
    • Premium product, great price. The Zanda hinges are solid and look incredible on our new doors.5/5 Lisa K., Brisbane

    Recently viewed products

      © 2026 Decorus Architectural , All rights reserved.Powered by Shopify

      • AU (AUD $) AU (AUD $)
      • American Express
      • Apple Pay
      • Bancontact
      • Google Pay
      • iDEAL Wero
      • Mastercard
      • PayPal
      • Shop Pay
      • Union Pay
      • Visa