S-93516A222 3/4"-10 x 3" ASME B18.2.1 Bronze Hex Head Screws

Bronze Hex Head Screws

0255FA00070 Bronze Hex Head Screws
0255FA00070 Bronze Hex Head Screws

Image may differ from product. See technical specification for details.

Part No.
Part No. 0255FA00070
Equivalent to mcmaster :
93516A222

Basic Information

System of Measurement Inch

Head Parameters

Head Type Hex
Head Width 1 1/8"
Head Height 15/32"

Dimensions

Length 3"

Thread Parameters

Thread Type UNC
Thread Size 3/4"-10
Thread Diameter 0.75"
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 2A
Threading Fully Threaded

Tip & Drive Parameters

Drive Style External Hex

Material & Strength

Material 651 Silicon Bronze
Hardness Rockwell B70
Tensile Strength 70000 psi

Temperature & Environment

REACH Compliant
RoHS Compliant
Specifications Met ASME B18.2.1
Technical Drawings No drawings available at the moment, will be launched soon
In Stock
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Key Features & Benefits at a Glance

  • Superior corrosion resistance in harsh environments thanks to 651 Silicon Bronze material, ideal for marine and chemical applications
  • High tensile strength of 70,000 PSI ensures reliable load-bearing capacity and structural integrity under stress
  • Rockwell B70 hardness provides excellent durability and resistance to wear and deformation
  • Coarse UNC threading with Class 2A fit allows for quick installation and secure fastening in various materials
  • External hex drive and hex head design enables easy torque application with standard tools, reducing assembly time
  • Full 3" threading offers maximum grip length and versatility for diverse industrial applications
  • Compliance with ASME B18.2.1, RoHS 3, and REACH ensures safety, environmental responsibility, and global regulatory acceptance

Professional Applications & Engineering Value

This 3/4"-10 UNC silicon bronze hex head screw is engineered to address critical challenges in demanding sectors like marine construction, offshore platforms, and industrial machinery. Its 651 silicon bronze composition delivers exceptional resistance to saltwater corrosion and chemical exposure, preventing premature failure in humid or corrosive settings. The coarse thread design and Class 2A fit facilitate rapid assembly in soft materials or where vibration resistance is key, while the external hex drive ensures compatibility with common wrenches for efficient maintenance. With a 70,000 PSI tensile strength and full threading, it provides robust, reliable fastening for structural connections, reducing downtime and enhancing operational safety in heavy-duty applications.

Specification Summary & Compliance

This screw features a 3/4"-10 UNC coarse thread with Class 2A dimensional accuracy, ensuring precise fit and interchangeability. It is manufactured in accordance with ASME B18.2.1 specifications for hex head screws and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free of hazardous substances and suitable for global industrial use.

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