๐ŸŒ Worldwide shipping ยท 30-day returns ยท Rated Excellent on Trustpilot โ˜…โ˜…โ˜…โ˜…ยฝ
Price
$51.99
RENNIE TOOLS - 4-20mm HSS Cobalt Spiral Flute Step Cone Drill/Hole Cutter For Metal, Stainless Steel And Hard Metals. M35 8% Cobalt โ€” image 1
Step BitsRennie Tool Companyโœ“ In stock

RENNIE TOOLS - 4-20mm HSS Cobalt Spiral Flute Step Cone Drill/Hole Cutter For Metal, Stainless Steel And Hard Metals. M35 8% Cobalt

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$51.99

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Size: 4-20mm
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About this item
  • Made of M35 Cobalt (8% Cobalt) high speed steel
  • 1/4" (6.35mm) Hex Shank
  • Each step is clearly marked with the diameter
  • Suitable for cut holes in a variety of materials including stainless steel, CR-NI, metal, brass, wood, plastic, aluminum copper, gypsum board, metal material, fiberglass, and PVC etc, convenient to storage in bag, car, or at home. Ideal for professional and home use.
Product details
Brand
Rennie Tool Company
Manufacturer
Rennie Tool Company
Material
Cobalt Steel
Size
4-20mm
Part number
STEPDRILLCOB

Customer reviews

What customers say about Bigamart

10 Trustpilot reviews total, with 2 shown at a time.

Trustpilot
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Excellent
4.5 average rating
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S
Sigalit
๐Ÿ‡ฎ๐Ÿ‡ฑ ยท January 2026
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I wrote to Bigamart's customer support and they accompanied the process of reshipping the item until it finally arrived. I felt a genuine effort to solve the problem till it was finally solved.

V
Verified buyer
๐Ÿ‡ฆ๐Ÿ‡บ ยท November 2025
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The package was here in Australia from England in a few days โ€” so quick! Something was missing and they refunded it straight away. Pretty happy with these guys.

Showing 1โ€“2 of 10 reviews

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