A Hi-Lo thread screws consist of two separate threads, one higher than the other which serves as a general purpose screw in medium hardwoods. The Hi-Lo screw is offered in 1.1/4" length. Our company is offering drywall screws with hi-low thread screws and Phillips flat countersunk hilo thread with cut point. Drywall screws with hi-low thread specification: Phillips flat countersunk hilo thread with cut point specification:
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