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The VALUE COLLECTION 644505PS is a metric hex head cap screw designed for general industrial and mechanical fastening applications. It features an M8 x 1.25 thread with a 90 mm length under head and is manufactured from Grade 8.8 steel, indicating a medium-high strength carbon or alloy steel fastener suitable for structural and load-bearing connections. The uncoated bright finish leaves the steel in its natural state, making it appropriate for dry or controlled environments. The partially threaded shank conforms to DIN 931 and ISO 4014 standards. This fastener is installed by mechanics, millwrights, and maintenance technicians across a wide range of assembly and fabrication work.
This screw is used wherever a metric M8 partially threaded hex cap screw is required, including machinery assembly, structural frames, equipment mounting, and general mechanical maintenance. The 13 mm hex drive size accepts standard metric sockets and wrenches, making it compatible with common hand and power tools found in most shops and field kits. It is suited for residential and commercial equipment assembly, fabrication environments, and industrial maintenance applications requiring a DIN 931 or ISO 4014 compliant fastener.
Designed as a standard DIN 931 and ISO 4014 compliant M8 x 1.25 partially threaded hex head cap screw, suitable for any application specifying that thread size, pitch, and length under head.
Install using a 13 mm socket, box wrench, or open-end wrench. Always ensure mating threads are clean and free of debris before installation. Follow equipment manufacturer torque specifications for M8 Grade 8.8 fasteners as outlined in applicable mechanical or structural codes. Do not exceed the rated load capacity of the fastener by using extensions or pipe-on-wrench improvised torque methods.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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