Skeletal Muscles of the Human Body. T his web site is an index containing detailed information about the skeletal muscles of the human body. Included is each muscle's origin, insertion, action, blood supply and innervation. PTCentral is glad to offer this and other health related services.keletal Muscles of the Human Body. T his web site is an index containing detailed information about the skeletal muscles of the human body. Included is each muscle's origin, insertion, action, blood supply and innervation. PTCentral is glad to offer this and other health related services.
Sleeve anchors - one kind for brick and block, another for concrete - come in different lengths as well. When drilling the hole for a 1/2-inch sleeve anchor you actually drill a 1/2-inch hole. The sleeve is slipped into the hole and, when the bolt is inserted, the sleeve expands and grips.
Machine Screw Anchor is 1/2. The length of the anchor is 1-1/2, and is measured as an overall length of the anchor from end to end. Machine Screw Anchor are national coarse threads that measures 1/2 with 13 threads per inch, commonly referred to as 1/2-13.