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An assortment of class 10.9 metric flange button-head socket cap screws from Hillman. Socket-head cap screws carry a recessed internal socket drive to add strength. They are commonly used on machine parts, manufacturing equipment, and other mechanical applications. Variants in this assortment come in M4-0.70 and M5-0.80 coarse thread sizes. Full assortments of #39905 contain fifteen (15) refills comprised of Hillman item numbers #39906 - #39920.
- Ideal for use in confined areas where the head needs to be flush or below the surface
- Parts install easily with an Allen-style wrench
- Parts have a built-in washer
- Variants come in M4-0.70 and M5-0.80 coarse thread sizes
