screw tap

n.

螺丝攻；

Screw tap
Screw tap
Screw-tap
Cannulated self-tapping bone screw
The effect of subtle changes in self-tapping screw design
THERMOHYDRAULICS OF LAMINAR FLOW THROUGH A CIRCULAR TUBE HAVING INTEGRAL HELICAL CORRUGATIONS AND FITTED WITH HELICAL SCREW-TAPE INS...
Tapping screw
Computer Simulation of Screw Tap During Quenching Process
Vacuum　Pressed　Gas　Quenching　Process　of　F205　Steel　Screw　Tap
Computer simulation of temperature field in screw tap during its deep cryogenic treatment
Computer Simulation of Screw Tap During Its Quenching Process Based on ANSYS
THE SCREW TAP ASSISTANCE COMBINATION DEVICE
Influences of Deep Cryogenic on Screw Tap Tooling Quality