PROTO Socket: Metric, 3/4 in Drive Size, 21 mm Socket Size, 12-Point, Std, Satin
The PROTO Socket: Metric (MPN J5521M) is a 3/4" Drive Hand Socket with a 21 mm socket size and 12-point configuration. It features a satin finish and is not tether capable. This standard-length socket is manufactured…
SKU 3G-OTH-315093
Local availability & support — the Philippines
- Delivery
- 5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
- Payment
- Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
- Ships to
- Manila, Quezon City, Cebu, Davao, Batangas
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Product Description
The PROTO Socket: Metric (MPN J5521M) is a 3/4" Drive Hand Socket with a 21 mm socket size and 12-point configuration. It features a satin finish and is not tether capable. This standard-length socket is manufactured by PROTO.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the PROTO J5521M socket used for?
The PROTO J5521M is a 3/4 in drive, 21 mm, 12-point standard socket used for fastening and loosening metric hex fasteners in heavy equipment maintenance, industrial machinery assembly, and automotive repair. Its satin finish provides corrosion resistance.
What are the specifications of the PROTO J5521M socket?
The PROTO J5521M is a 3/4 in drive, 21 mm socket with a 12-point configuration, standard length, and satin finish. It is not tether capable. The manufacturer part number is J5521M. PROTO is the brand.
Where to buy the PROTO J5521M socket worldwide?
3G Electric supplies the PROTO J5521M socket to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time. We source genuine PROTO industrial tools for global procurement.
How to select the correct PROTO socket for a 21 mm fastener?
For a 21 mm hex fastener, select a 21 mm socket like the PROTO J5521M. Ensure the drive size (3/4 in) matches your ratchet or torque wrench. A 12-point design offers more engagement angles than a 6-point, useful for tight spaces.
Used in
Common applications for PROTOPROTO Products
3G Electric supplies PROTO 3/4" drive hand sockets. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
