Lag bolt screws cost a third of the price of structural screws. Sometimes called construction screws, these are fastening ...

CONFAST Concrete Machine Screw Anchors are female type concrete anchors designed for anchoring into concrete, brick or block. After installation, the fixture is removable because the anchor can be ...

Construction was so much easier when transistors came with long leads. The original book used germanium transistors from the Mullard OC series, OC71s and an OC44. These were some of the earliest ...