PROTO Socket: Metric, 3/8 in Drive Size, 21 mm Socket Size, 6-Point, Deep, Chrome
The PROTO Socket: Metric is a 3/8" Drive Hand Socket, model J5021MH, featuring a 21 mm, 6-point, deep socket design. It is constructed from chrome, as specified by the manufacturer.
SKU 3G-OTH-319168
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.
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Product Description
The PROTO Socket: Metric is a 3/8" Drive Hand Socket, model J5021MH, featuring a 21 mm, 6-point, deep socket design. It is constructed from chrome, as specified by the manufacturer.
Frequently Asked Questions
What is the PROTO J5021MH socket used for?
The PROTO J5021MH is a 21 mm, 6-point, deep socket designed for turning metric fasteners in automotive, industrial, and maintenance applications. Its deep profile allows access to recessed bolts and nuts, while the chrome finish resists corrosion for extended tool life.
What are the specifications of the PROTO J5021MH socket?
The PROTO J5021MH is a 3/8 in drive, 21 mm, 6-point, deep socket made of chrome. It is part number J5021MH and is classified as a 3/8" Drive Hand Socket. The 6-point design provides a secure grip on hex fasteners, reducing rounding.
Where to buy the PROTO J5021MH socket worldwide?
3G Electric supplies the PROTO J5021MH socket worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this PROTO socket for your operations.
How to select the correct PROTO socket for your application?
Select a PROTO socket by matching drive size (3/8 in) and socket size (21 mm) to your fastener. For recessed bolts, choose a deep socket like the J5021MH. Ensure the 6-point design matches hex heads to prevent slippage. Chrome finish suits general use; impact-rated sockets are needed for power tools.
Used in
Common applications for PROTOPROTO Products
3G Electric supplies PROTO 3/8" drive hand sockets. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
