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The Tolsen Step Drill Bit 4–20x2mm (TOL75872) is a versatile and durable tool designed for high-precision drilling across a wide range of hole sizes. Constructed from hardened high-speed steel (HSS) and finished with a titanium coating, this step bit delivers excellent performance, wear resistance, and extended tool life.
Key Features:
-
Material & Finish:
-
Made from HSS (High-Speed Steel) for superior hardness and cutting capability
-
Titanium coating minimizes heat buildup, reduces friction, and improves wear resistance
-
-
Step Range:
-
Drills holes from 4mm to 20mm in 2mm increments (4, 6, 8, 10, 12, 14, 16, 18, 20 mm)
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Allows for multiple hole sizes with one bit, saving time and increasing efficiency
-
-
Design Benefits:
-
Optimized for clean, burr-free holes in sheet metals, plastic, PVC, and non-ferrous materials
-
Spiral flute design for smooth chip removal and reduced vibration
-
-
Packaging:
-
Supplied in a double blister pack for retail display and protection
-
Carton quantity: 80 pieces per carton
-
Applications:
Ideal for metal fabrication, electrical panel work, automotive repair, plumbing, HVAC, and DIY projects where precision and versatility are essential.
The Tolsen 4–20mm Titanium Coated Step Drill Bit is the perfect solution for professionals and tradespeople who need reliable, multi-diameter drilling with a single tool.
- Regular price
- R 172.00
The Tolsen Step Drill Bit 4–20x2mm (TOL75872) is a versatile and durable tool designed for high-precision drilling across a wide range of hole sizes. Constructed from hardened high-speed steel (HSS) and finished with a titanium coating, this step bit delivers excellent performance, wear resistance, and extended tool life.
Key Features:
-
Material & Finish:
-
Made from HSS (High-Speed Steel) for superior hardness and cutting capability
-
Titanium coating minimizes heat buildup, reduces friction, and improves wear resistance
-
-
Step Range:
-
Drills holes from 4mm to 20mm in 2mm increments (4, 6, 8, 10, 12, 14, 16, 18, 20 mm)
-
Allows for multiple hole sizes with one bit, saving time and increasing efficiency
-
-
Design Benefits:
-
Optimized for clean, burr-free holes in sheet metals, plastic, PVC, and non-ferrous materials
-
Spiral flute design for smooth chip removal and reduced vibration
-
-
Packaging:
-
Supplied in a double blister pack for retail display and protection
-
Carton quantity: 80 pieces per carton
-
Applications:
Ideal for metal fabrication, electrical panel work, automotive repair, plumbing, HVAC, and DIY projects where precision and versatility are essential.
The Tolsen 4–20mm Titanium Coated Step Drill Bit is the perfect solution for professionals and tradespeople who need reliable, multi-diameter drilling with a single tool.
- Regular price
- R 172.00

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Delivery Policy
Delivery Policy
At Construction Hyper, we are committed to delivering your purchases in the most efficient and reliable way possible. Please review our shipping options below:
Nationwide Delivery
Flat Rate Shipping: Enjoy nationwide delivery across South Africa for a flat rate of R100 per order.
Processing Time: All orders are processed within 1-2 business days after payment confirmation.
Delivery Time: Once dispatched, deliveries typically arrive within 2-5 business days, depending on your location.
Tracking Your Order: A tracking number will be emailed to you once your order has been shipped, allowing you to monitor its progress.

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Product Description
The Tolsen Step Drill Bit 4–20x2mm (TOL75872) is a versatile and durable tool designed for high-precision drilling across a wide range of hole sizes. Constructed from hardened high-speed steel (HSS) and finished with a titanium coating, this step bit delivers excellent performance, wear resistance, and extended tool life.
Key Features:
-
Material & Finish:
-
Made from HSS (High-Speed Steel) for superior hardness and cutting capability
-
Titanium coating minimizes heat buildup, reduces friction, and improves wear resistance
-
-
Step Range:
-
Drills holes from 4mm to 20mm in 2mm increments (4, 6, 8, 10, 12, 14, 16, 18, 20 mm)
-
Allows for multiple hole sizes with one bit, saving time and increasing efficiency
-
-
Design Benefits:
-
Optimized for clean, burr-free holes in sheet metals, plastic, PVC, and non-ferrous materials
-
Spiral flute design for smooth chip removal and reduced vibration
-
-
Packaging:
-
Supplied in a double blister pack for retail display and protection
-
Carton quantity: 80 pieces per carton
-
Applications:
Ideal for metal fabrication, electrical panel work, automotive repair, plumbing, HVAC, and DIY projects where precision and versatility are essential.
The Tolsen 4–20mm Titanium Coated Step Drill Bit is the perfect solution for professionals and tradespeople who need reliable, multi-diameter drilling with a single tool.
Customer Reviews
No reviews
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