General Tools & Instruments 147 6 In. Digital Fractional Caliper
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A deep-well impact socket with a 6-point opening, made from nickel-aluminium-bronze and FM-approved to ASTM A342
The Ampco DWI-3/4D1-5/8 is a 1-5/8" SAE deep well impact socket built for heavy-duty fastening tasks. Its 3/4" square drive fits compatible impact wrenches used in industrial maintenance and automotive repair. The six-point opening grips fastener flats to reduce rounding under high torque. Mechanics and technicians working on large equipment will find this socket suited for demanding applications.
The socket is manufactured from a nickel, aluminium, bronze alloy that meets FM Approved and ASTM A342 standards for non-sparking tools. This material prevents ignition hazards in environments with flammable vapours or dust. The natural finish avoids coatings that could chip or contaminate sensitive work areas. Note that the supplier data states this item is not impact rated despite its deep well impact designation.
Before ordering, confirm your impact wrench or breaker bar accepts a 3/4" square drive. Ensure the 1-5/8" SAE size matches the nuts or bolts you intend to service. Check that the 3-3/8" overall length provides sufficient reach without clearance issues in your workspace. Buyers who need an impact-rated socket or a different drive standard should consider other options.
Measured against everything we stock in Ratchets, Sockets & Drive Tools, at today’s prices. Recalculated every night.
| Product | |
|---|---|
| Brand name | AMPCO |
| Product type | Sockets |
Choose the 3/4 inch drive with 1-5/8 inch SAE size to match your impact wrench and fastener.
The deep well reaches 3-3/8 inches, letting you access recessed bolts without an extension.
The certifications confirm the non-sparking nickel-aluminium-bronze alloy meets safety standards for explosive environments.
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