STB-MASTERTOOL
✓Price
$129.99
Irwin Tools IRWIN 10220CB Unibit 1/16-Inch Hole Enlarging 8-Steps Cobalt Alloy Steel Step Drill Bit
★★★★★
$129.99
Quantity
1
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About this item
- Made in: United States
- Power Cutting & Sawing
- Package Dimensions: 1.016 H x 15.24 L x 6.858 W (centimeters)
- Country of manufacture: United States
Product description
Step Drill Bit, Material Cobalt Alloy Steel, Steam Oxide Finish, Number of Hole Sizes 8, Shank Size 7/16 In., Step Thickness 1/8 In., Size Range 9/16 In. to 1 In., Sizes Included 9/16 In., 5/8 In., 11/16 In., 3/4 In., 13/16 In., 7/8 In., 15/16 In., 1 In., Number of Flutes 1, Shank Type Hex, Bit Length 3 In.
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Customer reviews
What customers say about Bigamart
10 Trustpilot reviews total, with 2 shown at a time.
Trustpilot
★★★★★
Excellent
4.5 average rating
S
Sigalit
🇮🇱 · January 2026
★★★★★
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
🇦🇺 · November 2025
★★★★★
The package was here in Australia from England in a few days — so quick! Something was missing and they refunded it straight away. Pretty happy with these guys.
Showing 1–2 of 10 reviews
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