S-91385A203 M2.5 x 3 mm DIN 916, ISO 4029 Set Screws

Set Screws

0621FA00003 Set Screws
0621FA00003 Set Screws

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

Part No.
Part No. 0621FA00003
Equivalent to mcmaster :
91385A203

Basic Information

System of Measurement Metric

Head Parameters

Head Type Headless

Dimensions

Length 3 mm

Thread Parameters

Thread Type Metric
Thread Size M2.5
Thread Pitch 0.45 mm
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 5g6g
Locking Type Thread Locker
Thread Locker Type Nylon Patch
Thread Locker Temperature Range -50° to 250° F

Tip & Drive Parameters

Tip Type Cup
Drive Style Hex
Drive Size 1.3 mm

Material & Strength

Material Black-Oxide Alloy Steel
Hardness Rockwell C45

Temperature & Environment

REACH Compliant
RoHS Compliant
Specifications Met DIN 916, ISO 4029
Technical Drawings No drawings available at the moment, will be launched soon
In Stock
Price available upon request. Our sales team will respond within 24 hours with a competitive quote tailored to your requirements.
REQUEST A QUOTE
  • Fast delivery
  • Enjoy discounts on bulk purchases
  • Secure Payment
  • Fast Global Shipping

Key Features & Benefits at a Glance

  • Vibration-resistant performance with permanent nylon patch thread locker that maintains integrity from -50° to 250°F
  • Superior corrosion protection through black-oxide coating on alloy steel construction
  • Precise thread engagement with Class 5g6g thread fit ensuring reliable fastening in demanding applications
  • Space-saving design featuring headless construction with hex drive for installations with limited clearance
  • Enhanced durability with Rockwell C45 hardness providing excellent wear resistance
  • Secure locking capability through cup tip design that creates positive seating in contact surfaces
  • Industry-standard compliance meeting DIN 916/ISO 4029 specifications for consistent quality

Professional Applications & Engineering Value

This M2.5 metric set screw delivers exceptional engineering value in applications where vibration resistance and space constraints are critical concerns. The black-oxide alloy steel construction combined with the permanent nylon patch thread locker solves the common industrial problem of fastener loosening under dynamic loads and temperature fluctuations. The headless hex drive design allows for installation in confined spaces while maintaining high torque capability. With coarse thread spacing and precise Class 5g6g thread fit, this set screw ensures rapid assembly and reliable performance in machinery, automotive components, and precision equipment where maintaining alignment and positional accuracy is paramount.

Specification Summary & Compliance

This set screw maintains Class 5g6g thread tolerance according to metric standards with M2.5 x 0.45mm thread specifications. Manufactured to DIN 916/ISO 4029 standards with Rockwell C45 hardness for consistent performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial sectors.

🔍
Cancel