S-92558A619 M12 x 50 mm Thumb Screws

Thumb Screws

0763FA00044 Thumb Screws
0763FA00044 Thumb Screws

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

Part No.
Part No. 0763FA00044
Equivalent to mcmaster :
92558A619

Basic Information

System of Measurement Metric

Head Parameters

Head Type Thumb
Thumb Screw Head Shape Round
Round-Head Thumb Screw Profile Raised
Head Diameter 36 mm
Head Height 8 mm
Head Texture Knurled

Dimensions

Length 50 mm
Collar Diameter 20 mm
Collar Height 15 mm

Thread Parameters

Thread Type Metric
Thread Size M12
Thread Pitch 1.75 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

  • Superior manual grip and torque application with 36mm knurled round head design for tool-free operation in tight spaces
  • Exceptional corrosion resistance and durability thanks to 18-8 stainless steel construction with Rockwell B83 hardness
  • High load-bearing capability with 80,000 PSI tensile strength for demanding industrial applications
  • Precise thread engagement and reliable fastening through Class 6g metric coarse threads (M12 x 1.75mm)
  • Full-length threading versatility allowing adjustable positioning and consistent holding power along entire 50mm length
  • Compliance with international environmental standards including RoHS 3 and REACH for global manufacturing applications
  • Optimized raised head profile providing enhanced finger clearance and comfortable manual operation

Professional Applications & Engineering Value

This M12 thumb screw delivers exceptional engineering value in applications requiring frequent adjustments or tool-free maintenance. The 18-8 stainless steel construction provides superior corrosion resistance in harsh environments, while the knurled head texture ensures positive grip even with oily hands or gloves. The Class 6g thread fit maintains precise tolerances for reliable engagement in machinery, electrical enclosures, and industrial equipment. The coarse thread pitch (1.75mm) enables quick installation and removal, making it ideal for access panels, jigs, fixtures, and production equipment where rapid disassembly is critical. The fully threaded design offers versatile positioning along the entire 50mm length, while the raised round head profile provides comfortable manual operation without specialized tools.

Specification Summary & Compliance

This thumb screw features metric coarse threading (M12 x 1.75mm) with Class 6g thread fit per ISO standards, ensuring precise dimensional accuracy and reliable performance. The fastener is fully threaded along its 50mm length with right-hand thread direction. Manufacturing compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, making it suitable for international industrial applications requiring strict material restrictions.

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