Proto J7290-4M Skt Imp Hex Bit 3/8 Dr 4 mm

Product Description

The PROTO J7290-4M Skt Imp Hex Bit is a 3/8" drive impact socket with a 4 mm hex bit. Constructed from forged alloy steel with a black oxide finish, this standard length socket driver bit is designed for use with metric fasteners. It features a 41.3 mm bit length and an overall length of 69.1 mm.

• Heat-treated for durability
• Precision machined tip for proper screw engagement
• Size stamped on tool for easy identification

Product Highlights

This PROTO impact socket bit is ideal for applications requiring a precise and durable tool. The side locking hole adds extra security during use.

Product Information

Standard Information

• Brand: PROTO
• Manufacturer Part Number: J7290-4M
• Country of Origin: US

Technical Specifications

• Drive Size [Nom]: 3/8 in
• Tip Size [Nom]: 4 mm
• Material: Forged Alloy Steel
• Finish: Black Oxide
• Measuring System: Metric
• Bit Length: 41.3 mm
• Overall Length [Nom]: 69.1 mm
• Drive Type: Square
• Locking Type: Pin
• Tip Type: Hex
• Bit Type: Hex
• Type: Standard Length
• Impact Rated: Yes
• Drive Size: 3/8 in
• Bit Size: 4 mm
• Opening Size: 4 mm
• Opening Configuration: Hex