machine screws csk zinc plate M4 x 100mm box 100
Grade 4.6 Mild Steel Bright Zinc Plated
Metal thread machine screws with a phillips No2 drive countersunk head, fully threaded with a bright zinc plated finish for corrosion protection.
Suitable for general purpose fastening into threaded components where a thread, running the full length of the screw, is required or use as a bolt with a corresponding hex nut for fastening steel to steel or timber to steel etc. Matching plain and lock washers also available along with nylon locking nuts if required.
countersunk machine screw lengths are measured including the head.
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