PROTO Impact Socket: 3/4 in Drive Size, Metric, 21 mm Socket Size, 12-Point, Std
The PROTO Impact Socket (SKU J07521MT, MPN J07521MT) is a 3/4" drive impact socket with a 21 mm metric, 12-point standard socket size and a 2 in overall length. It features a Black Oxide finish.
SKU 3G-OTH-293866
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
Need installation or engineering help?
Ask a question
Product Description
The PROTO Impact Socket (SKU J07521MT, MPN J07521MT) is a 3/4" drive impact socket with a 21 mm metric, 12-point standard socket size and a 2 in overall length. It features a Black Oxide finish.
Frequently Asked Questions
What is the PROTO J07521MT impact socket used for?
The PROTO J07521MT is a 3/4" drive impact socket designed for heavy-duty fastening and loosening of 21 mm metric fasteners. It is commonly used in automotive repair, industrial maintenance, and construction applications where high torque impact wrenches are employed.
What are the specifications of the PROTO J07521MT impact socket?
The PROTO J07521MT is a 3/4" drive impact socket with a 21 mm metric, 12-point standard socket size. It has a 2 in overall length and a Black Oxide finish. The manufacturer part number is J07521MT, and the SKU is 21GT46.
Where to buy the PROTO J07521MT impact socket worldwide?
You can source the PROTO J07521MT impact socket through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring you receive genuine PROTO tools for your operations.
How to select the correct PROTO impact socket for my application?
To select the correct PROTO impact socket, match the drive size (3/4") to your impact wrench, choose the socket size (21 mm) to fit your fastener, and confirm the point configuration (12-point) matches your bolt head. Always use impact-rated sockets for power tools to prevent breakage.
Used in
Common applications for PROTOPROTO Products
3G Electric supplies PROTO 3/4" drive impact sockets. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
