
Heavy Duty 20mm Sheet Metal Punch Hole Kit With External Hex Shank Bearing Steel Construction For Precise Manual Knockout On Stainless Steel Carbon Steel Aluminum Copper And Plastic Black Finish
Heavy Duty 20mm Sheet Metal Punch Hole Kit With External Hex Shank Bearing Steel Construction For Precise Manual Knockout On Stainless Steel Carbon Steel Aluminum Copper And Plastic Black Finish
Original: $26.14
-65%$26.14
$9.15The Story
✔️ 20 mm punch tool with bearing steel, 58-62 HRC, solid build
This heavy-duty sheet metal punch kit is designed to create precise 20 mm holes in stainless steel, carbon steel, aluminum, copper, brass, and plastics. It's ideal for manual knockout work in fabrication shops, ductwork, signage, and projects where tight spaces matter.
✅ Hole diameter: 20 mm (0.79 in), hardness: HRC58-62
✅ Material: bearing steel with black corrosion-resistant finish
✅ Thickness compatibility: 1.5 mm stainless steel; 3 mm carbon steel/aluminum/copper/plastic
✅ Anti-slip spiral interface for firm connection; compatible with ratchet, wrench, or electric driver
✅ Applications: sinks, stainless steel, steel plate, copper, aluminum, brass, and more; tight spaces
💡 What is a sheet metal punch used for in metal fabrication?
Handy tool for quickly creating clean, round holes in metal sheets across many materials.
- It punches 20 mm holes in stainless steel, carbon steel, aluminum, copper, brass, and plastics.
- It works with manual, ratchet, or electric drivers for consistent results in tight spaces.
- Bearing steel body and black finish resist wear and corrosion for longer life.
- Essential for fabrication, enclosure work, ducting, and panel fabrication.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
✔️ 20 mm punch tool with bearing steel, 58-62 HRC, solid build
This heavy-duty sheet metal punch kit is designed to create precise 20 mm holes in stainless steel, carbon steel, aluminum, copper, brass, and plastics. It's ideal for manual knockout work in fabrication shops, ductwork, signage, and projects where tight spaces matter.
✅ Hole diameter: 20 mm (0.79 in), hardness: HRC58-62
✅ Material: bearing steel with black corrosion-resistant finish
✅ Thickness compatibility: 1.5 mm stainless steel; 3 mm carbon steel/aluminum/copper/plastic
✅ Anti-slip spiral interface for firm connection; compatible with ratchet, wrench, or electric driver
✅ Applications: sinks, stainless steel, steel plate, copper, aluminum, brass, and more; tight spaces
💡 What is a sheet metal punch used for in metal fabrication?
Handy tool for quickly creating clean, round holes in metal sheets across many materials.
- It punches 20 mm holes in stainless steel, carbon steel, aluminum, copper, brass, and plastics.
- It works with manual, ratchet, or electric drivers for consistent results in tight spaces.
- Bearing steel body and black finish resist wear and corrosion for longer life.
- Essential for fabrication, enclosure work, ducting, and panel fabrication.























