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 Anchors An excellent light to medium-duty anchor for attaching to concrete, brick or block base material. The design of the machine screw anchor allows it to fit into irregular holds. The machine screw anchor is described by the size of the internal threads â 1/4â, 3/8â, 1/2â, 5/8â and 3/4â. The internal threads of the machine screw anchors allow temporary fastening and rebolting without affecting the holding values.