Allen Key Sizes For Bolts
As you ll notice there isn t always a perfect substitute.
Allen key sizes for bolts. Drive sizes for us allen drive screws. Hex key screw head. A quick swipe with a q tip dipped in rubbing alcohol will pick up any dust that can collect in the corners of the hexagon. The smaller size of allen wrench can easily strip a hex bolt or be stripped down itself.
Screw size decimal equiv. Screw diameter drive size. On the left hand side we have our sae to metric conversion guide for hex keys that provides the best substitute sae allen wrench for each given metric size. Metric allen key table.
These dimensions of allen keys can be used to check the accessibility of your bolts were space is limited. Also available from the nut place. In this video i demonstrate some of the techniques that we use regularly on site to remove rounded allen head bolts or hex key head bolts. The tool is usually formed of a single piece of hexagonal rod of hard steel with blunt ends that are meant to fit snugly into the screw s socket bent in an l shape with unequal arms the tool is usually held and twisted by the long arm creating a large torque at the.
Allen head bolts. G j hall specialist tools. Before placing the hex key into the bolt make sure the head is clean of dirt and debris. Counterbore countersink diam in 60 c clearance drills d diam in height in diam in a depth in b.
A hex key allen wrench or allen key is a simple tool used to drive bolts and screws with hexagonal sockets in their heads. Size diam ete r hex key size 6605 n. Metric allen key table from gt engineering oldham. Allen keys are available in long short arm tee key type and also available.
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