Description: 4pcs Countersink & Deburring Bits 2-5mm/5-10mm/10-15mm/15-20mm Tool Set Introduction: This 4 piece countersink and deburring drill bit set is ideal for cutting through metal, wood and plastic quickly and easily. Constructed of high carbon steel for durability.For machining the workpiece 60 degrees and 90 degrees chamfer cone. Specification: Material: High Speed Steel 4241 Surface: White Diamond Handle: Round Shank Color: Sliver Quantity: 4pcs Scope: Mechanical workpiece , Aviation, War industry, Electric valve, Cylinder, sphere hole, ect. Size & Height : 2-5mm 45mm 5-10mm 47mm 10-15mm 62mm 15-20mm 82mm Features: Slotted taper for chatter-free deburring and countersinking. Made from 90°HSS content. Through slot chip removal prevents chips from clogging in workpiece. Gives best results at low cutting speeds in steel, wood and plastic and light metals. Package included: 1x 2-5mm countersink and deburring drill bits 1x 5-10mm countersink and deburring drill bits 1x 10-15mm countersink and deburring drill bits 1x 15-20mm countersink and deburring drill bits 1x Iron Case
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