2023 new solid carbide drill pipe/alloy rod/tungsten carbide rod
Block gauge set 32PCS 38PCS 47PCS 83PCS 87PCS 103PCS 112PCS 122PCS, individual block gauge
140mm long inverted tapered special serdi carbide guide, carbide guide drill pipe
Multi-purpose tool shank carbide internal thread locking anti-vibration tool shank
High precision inverted cone 190mm long serdi carbide guide, carbide pilot drill pipe
unground tungsten cemented carbide single straight hole tube
