[Pete] bought himself an old South Bend lathe, but unfortunately some of the thumb screws were missing from this fine old machine. Originally, the lathe had knurled thumbscrews, and with a ...

The edge locks to the handle with a wing nut or a lower-profile knurled thumb screw, which I prefer. The sliding bevel can ...

A type of bolt with a recess inside the bolt's head. Socket head cap screws require assembly with a hex key (Allen Key) or a hex bit driven by an impact tool. Hex socket (Allen) drives are compact and ...

A screw is a type of hardware fastener that attributes its mechanical capabilities to the helical groove that extends around the circumference of the device's shank. These threads provide the friction ...

The world is literally kept from coming apart by screws and bolts, and yet we don’t often give a thought to these mechanisms. Part of that is probably because we’ve gotten so good at making ...

For ESR measurement, place the S-Sedivette ® into the sedimentation rack and use the knurled thumb screw to adjust the sample level to zero. After one hour, read the sedimentation value from the ...

A general rule of thumb is to stand on the rope with both ... The thinner part closer to the rope, about 5 inches’ worth, feels slightly knurled—not as rough as a dumbbell, but with a good ...

Few things can bring a building project or repair effort to a grinding halt like a stripped screw or bolt, which is why keeping a screw extractor at the ready is key. These handy devices consist ...

Tinier screws and delicate projects require a smaller ... yet can be easily opened with one hand using the thumb and forefinger. The bit storage of the Megapro 13-in-1 is conveniently located ...