Power nailers have become more common since the early 1990s. The type you need depends on whether you're building a frame or applying trim. Fasteners are an essential part of almost any do-it-yourself ...

This conventional double nut has a split spacer that can be removed for grinding to adjust the preload. Fitting keys prevent the nuts from turning relative to each other. The size of the nuts, mainly ...

Roller screws convert rotary motion into linear motion just like acme and ballscrews. Comparably sized roller screws, however, have better efficiency than acme screws and can carry larger loads than ...