Diamond Core Drill Bits with 11/4"-7unc Connector, Without Segments, Half-Finished

=== Base Info ===

• Model NO.：TY-W001
• Type：Core Drill
• Usage：Masonry Drilling
• Specification：20# STEEL
• Origin：Shijiazhuang City, Hebei Province
• HS Code：8207191000

=== Description ===