🌍 Worldwide shipping · 30-day returns · Rated Excellent on Trustpilot ★★★★½
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$43.99
sourcing map 1" Drive by 21mm Square Impact Socket, CR-MO 80mm Length, Standard Metric Sizes — image 1
Square Drivesourcing map✓ In stock

sourcing map 1" Drive by 21mm Square Impact Socket, CR-MO 80mm Length, Standard Metric Sizes

$43.99

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About this item
  • 【Size】 1" square drive, 21mm square socket, 80mm (3.15") total length.
  • 【CR-MO Steel】Forged with chrome-molybdenum steel provides excellent durability and strength with every impact movement; black phosphate finish for extra protection against rust and corrosion.
  • 【Design】Radiused corners prevent fastener wear and increase torque on fasteners by placing force on fastener's flat sides, rather than fastener corners.
  • 【Pin Hole】Individual pinhole base design adds extra security by placing in a locking pin for stability when exerting strong torque motion,.
  • 【Widely Use】For disassembly and tightening of hexagon head bolts and nuts, especially suitable for requiring large torque and narrow space. The product has no insulation properties and is not suitable for electrical environments.
Product description

* Made of chrome-moly steel construction for strength and durability. * To prevent rust and corrosion, the black phosphate finish absorbs and retains oil, repelling moisture. * To prevent round-off under stress, it grips the flat sides of fastener heads rather than the corners. * The through-hole in the drive end locks onto the tang of impact wrenches or drivers so it won't fall off or stick on fastener heads. * Widely used in DIY hand-making, household maintenance, and most general repairs. Specifications: * Socket Size: 21mm * Drive Size: 1-inch * Total Length: 80mm / 3.15-inch * Material: Chrome-Molybdenum Steel (CR-MO) * Finish: Black Phosphate * Color: Black Package Content: * 1 x Square Impact Sockets

Product details
Brand
sourcing map
Manufacturer
sourcing map
Material
Chrome Molybdenum Steel
Size
21mm
Model number
a20112600ux0507
Part number
a20112600ux0507

Customer reviews

What customers say about Bigamart

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

Trustpilot
Excellent
4.5 average rating
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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 12 of 10 reviews

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