ดอกสว่าน ทรงเจดีย์ เจาะขยาย คว้านรู HSS 4241 ดอกขนาดใหญ่ เจาะได้ 5-35 mm เหมาะสำหรับงานทั่วไป

No need for a pilot hole Titanium coated to reduce friction and run cooler Automatically deburr holes as you drill High speed steel,durable. Widely used to cut holes in a variety of material like steel, wood, thin iron, aluminum alloy, insulation boards, PVC sheet,ect Specification : Color : Silver Material : High Speed Steel Surface : Nitrogen treatment (increasing the hardness and abrasion resistance) Shank:Triangle round handle Scop : thin iron plate,aluminum,insulation panels,PVC panels 4mm thickness within the timber. Type: 5-35mm(5,7,10,12,15,17,20,22,25,27,30,32,35mm),Shank: 23 x 13mm Total Size: 35 x 72mm Package included : 1 x 5-35mm Spiral Grooved Drill