Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

Proto 3G-OTH-305471 — Technical Specifications

Name: Proto 3G-OTH-305471 PROTO Socket Bit: 3/8 in Drive Size, Hex Tip, 3/16 in Tip Size, 2 3/4 in Overall Lg, Fixed Insert (MPN J4990R-3/16). Key specifications — attr1204765: Fixed Insert; attr1204767: PROTO.
Brand: Proto

The PROTO J4990R-3/16 is a 3/8 in drive size hex bit socket with a 3/16 in hex tip and 2 3/4 in overall length. It features a fixed insert design and is manufactured by PROTO under part number J4990R-3/16.

View Product & Quote

Technical Specifications

Parameter	Value
Type	Hex Tip, Fixed Insert
Tip Size	3/16 in
Overall Lg	2 3/4 in
Manufacturer Part Number	J4990R-3/16