PROTO Socket Bit: 3/8 in Drive Size, Phillips Tip, #4 Tip Size, 1 31/32 in Overall Lg
The PROTO J5243 is a Phillips Bit Socket with a 3/8 in drive size and a #4 tip size. It features a Fixed Insert design and has an overall length of 1 31/32 in. This PROTO-branded socket bit is intended for use with…
SKU 3G-OTH-328152
Also listed as: J 5243 · J-5243
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
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Product Description
The PROTO J5243 is a Phillips Bit Socket with a 3/8 in drive size and a #4 tip size. It features a Fixed Insert design and has an overall length of 1 31/32 in. This PROTO-branded socket bit is intended for use with Phillips-head fasteners.
Frequently Asked Questions
What is the PROTO J5243 socket bit used for?
The PROTO J5243 is a Phillips Bit Socket used for driving #4 Phillips-head fasteners. It is commonly applied in industrial assembly, automotive repair, and maintenance tasks where a secure, fixed-insert bit is required for high-torque fastening.
What are the specifications of the PROTO J5243?
The PROTO J5243 has a 3/8 in drive size, a #4 Phillips tip, and a fixed insert design. Its overall length is 1 31/32 in. The manufacturer part number is J5243, and it is built by PROTO for heavy-duty fastener driving.
Where to buy the PROTO J5243 worldwide?
You can source the PROTO J5243 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring the socket bit reaches your facility reliably.
How to select the correct PROTO socket bit size?
To select the correct PROTO socket bit, match the drive size (3/8 in) to your ratchet or driver, and choose the tip type (Phillips #4) to fit your fastener. The fixed insert design provides a permanent connection for repeated use. Always verify fastener head compatibility before use.
Used in
Common applications for PROTOPROTO Products
3G Electric supplies PROTO phillips bit sockets. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
