Value Collection -42801-3 M20 Hex Socket Cap Screw

Product Description

The VALUE COLLECTION -42801-3 is a fully threaded hex socket cap screw sized M20 x 2.50 mm with a 70 mm length under head. Manufactured from alloy steel with a black oxide finish, this fastener meets DIN 912 and ISO 898-1 standards and carries a material grade of 12.9, indicating high tensile strength suitable for demanding mechanical and structural applications. The internal hex drive requires a standard hex key or Allen wrench for installation. This screw is intended for use by machinists, millwrights, maintenance technicians, and mechanical contractors working on heavy equipment, fixtures, or structural assemblies.

This fastener is well suited for industrial and commercial applications where high-strength, corrosion-resistant fasteners are required. The black oxide coating provides moderate corrosion protection and reduces light reflection, making it appropriate for use in machinery, equipment frames, and precision assemblies. The fully threaded shank allows for maximum thread engagement across the full 70 mm length under head, supporting applications where clamping force and holding strength are critical. Sold individually; minimum order quantity is 10 units.

Key Features

• M20 x 2.50 mm thread size with 70 mm length under head, fully threaded
• Material grade 12.9 alloy steel for high tensile and proof load strength
• Black oxide finish for moderate corrosion resistance and reduced reflectivity
• Internal hex drive compatible with standard hex keys and Allen wrenches
• Meets DIN 912 and ISO 898-1 fastener standards

Compatibility

Designed as a standard DIN 912 metric hex socket cap screw suitable for M20 x 2.50 mm threaded assemblies in industrial, commercial, and heavy equipment applications.

Installation Notes

Installation should be performed by a qualified mechanic, machinist, or maintenance technician familiar with metric fastener torque requirements for grade 12.9 hardware. Always verify thread engagement and mating thread condition before assembly. Apply appropriate thread lubricant or anti-seize compound per your assembly specification. Do not substitute a lower-grade fastener in applications specifying grade 12.9.