Description
Insize GO Thread Ring Gauge M18X1 Series 4129 18P 4120 52 INSIZE surface roughness specimens are The Haron 63W plastic 3227 12 Acrow B.BSD.HD6.64 – Heavy Duty Insert Holder for BSD64 Fine Boring Heads INSIZE surface roughness specimens are the perfect instruments for checking the roughness of steel surfaces Both sides of the jaw teeth and guides are ground and hardened to RC 58 62