Proto 1/4" Drive 11 Piece Hex Bit Set J4770-11-SBD

Proto's professional-grade 11-piece 1/4-inch drive hex bit socket set designed for high-precision fastening in electronics, aerospace, and light industrial assembly. Forged from high-strength alloy steel, these sockets feature a full polish chrome finish for superior corrosion resistance and ease of maintenance. This comprehensive fractional set is engineered to provide maximum surface contact, reducing the risk of fastener rounding while ensuring reliable torque transfer in confined mechanical spaces. The set includes a curated selection of bit sizes from 1/16" to 5/16", all conveniently organized on a 6-1/4 inch socket bar with clips for secure storage and rapid access. Each bit is precision-machined for an exact fit, making this collection an essential solution for technicians who require professional-grade durability in a compact 1/4-inch drive format. The shipping weight for this 11-piece set is approximately 0.70 lbs.
Key Features
Comprehensive 11-Piece Range: Includes a full spectrum of fractional sizes: 1/16", 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 3/16", 7/32", 1/4", and 5/16".
High-Strength Alloy Steel: Manufactured from premium tool-grade steel to deliver industrial-level durability and resistance to twisting under load.
Full Polish Chrome Finish: Provides a high-luster, protective layer against rust and environmental wear, allowing for quick cleanup in oily conditions.
Precision-Machined Tips: Engineered for a tight, non-slip fit into hex fasteners to virtually eliminate cam-out and prevent damage to delicate components.
Standard 1/4-Inch Drive: Designed for seamless compatibility with all standard 1/4-inch drive ratchets, extension bars, and torque wrenches.
Organized Storage: Comes complete with a 6-1/4 inch socket rail and clips to keep the set secure and organized in any tool chest or mobile kit.
Industrial Specification: Meets or exceeds professional performance standards, including federal specification GGG-B-001222.
Non-Impact Rated: Optimized for manual hand-tool applications to ensure long-term structural integrity and precision.