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DIN 7991 Flat Head Countersunk Socket

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Square Washers DIN 436 - 1990


Square washers are square in shape and may be flat on both sides or flat on one side and beveled on one side. Often used with square head bolts, square washers prevent pull through and provide a larger surface area and greater hold than standard round flat washers.

DIN 966 Phillips Oval Countersunk Machine Screw


DIN 966 Phillips Oval Countersunk Machine Screw is a kind of screw. The head is flat, countersunk, or half countersunk. Countersunk head screws can also be called flat head screws, countersunk head screws, half countersunk head screws, and half countersunk head screws.

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