[378 BULK] Hex Head Cap Screws Grade 5 Steel Plain 3/8-16 x 1-1/8

Mutual ScrewSKU: 3718CH5PBB

Price:
Sale price$51.69per 378( $0.14 each)
Pieces 378
Measurement type Inch
Thread size 3/8-16
Diameter 3/8
Length 1-1/8
Material Steel
Grade Grade 5
Finish Plain
Head style Hex
Threads per inch 16
Thread style Partially Threaded
Weight 18.0 lb

WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to https://www.P65Warnings.ca.gov.

Description

Engineered for reliability, these Hex Head Cap Screws deliver high-strength performance in demanding assemblies. Crafted from SAE Grade 5 steel and finished plain (unplated), they offer excellent strength without additional coating.

  • Size & thread: 3/8-16 UNC coarse thread
  • Length: 1-1/8 in
  • Material & finish: Grade 5 steel, plain finish
  • Strength: Quenched and tempered for durable, load-bearing performance
  • Drive type: Hex head for easy installation with standard wrenches or sockets

Applications include automotive assemblies, machinery construction, equipment maintenance, and heavy-duty projects where a high-strength fastener is required. The plain finish is ideal when corrosion resistance is not the primary concern or when a specific surface treatment will be applied later in the process.

Tips for use: Pair with a compatible nut or threaded hole and ensure sufficient thread engagement for proper load distribution. Apply appropriate torque according to the assembly conditions and lubricant, and take care to avoid cross-threading during installation.

Stock up on these Hex Head Cap Screws for dependable fastening in OEM repairs, rebuilds, and industrial maintenance projects. Order now to secure strong, reliable connections in your next project.

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