S-92545A142 M3.5 x 31 mm Thumb Screws

Thumb Screws

0770FA00003 Thumb Screws
0770FA00003 Thumb Screws

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

Part No.
Part No. 0770FA00003
Equivalent to mcmaster :
92545A142

Basic Information

System of Measurement Metric

Head Parameters

Head Type Thumb
Thumb Screw Head Shape Round
Round-Head Thumb Screw Profile Narrow
Head Diameter 4.8 mm
Head Height 9.5 mm
Head Texture Knurled

Dimensions

Length 31 mm

Thread Parameters

Thread Type Metric
Thread Size M3.5
Thread Pitch 0.6 mm
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 6g
Threading Fully Threaded

Material & Strength

Material 18-8 Stainless Steel
Hardness Rockwell B83
Tensile Strength 80000 psi

Temperature & Environment

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

  • Tool-free installation and removal with a knurled round head design for superior hand-tightening grip in confined spaces
  • Excellent corrosion resistance provided by 18-8 Stainless Steel, ensuring long-term reliability in harsh environments
  • High mechanical strength with 80,000 psi tensile strength and Rockwell B83 hardness for dependable load-bearing performance
  • Precise and reliable fastening guaranteed by the Class 6g thread fit, ensuring consistent engagement and vibration resistance
  • Quick assembly facilitated by the coarse M3.5x0.6 mm thread, reducing installation time in industrial applications
  • Full-length threading for maximum adjustability and holding power along the entire 31 mm shank
  • Compliance with environmental regulations including RoHS 3 and REACH, making it suitable for global supply chains

Professional Applications & Engineering Value

This M3.5 thumb screw is engineered from 18-8 Stainless Steel to solve common industrial challenges like corrosion-induced failure and the need for frequent maintenance. The fully threaded design with a Class 6g metric thread ensures secure fastening in vibration-prone equipment, while the knurled round head allows for easy manual operation without tools—ideal for access panels, electronic enclosures, and machinery requiring regular adjustments. Its narrow profile and right-hand thread make it perfect for compact assemblies in sectors like automotive, telecommunications, and manufacturing, where durability and ease of use are critical.

Specification Summary & Compliance

This thumb screw features an M3.5 coarse thread with a 0.6 mm pitch and Class 6g thread fit per metric standards, ensuring dimensional accuracy. It is manufactured from 18-8 Stainless Steel with a hardness of Rockwell B83 and tensile strength of 80,000 psi. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for environmentally conscious industrial applications.

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