30mm Sintered Diamond Core Drill Bit with M10 Arbor Adapter for Masonry Stone #8-32x1/2" Long lead is positive end

Long lead is positive end and the shorter one is the negative end

which is corrosion-resistant

Size: 12x6x2

Not for Ford Focus ST Hatchback 4-Door

30mm Sintered Diamond Core Drill Bit with M10 Arbor Adapter for Masonry Stone #8-32x1/2" Long lead is positive endSpecifications: Drilling Diameter: 30mm 1. 18" Working Depth (Max .): 58mm 2. 28" Female Thread Size: M10 x 1. 5 Total Length: 68mm 2. 68" Material: Sintered Diamond, Carbon Steel Adapter Male Thread Size: M10 x 1. 5 Adapter Shank Size: 9. 5mm x 25mm 3 8" x 1" (D*L) Total Length of Adapter: 44. 5mm 1. 75" Adapter Finish: Blackening Package Content: 1pcs x Diamond Core Drill Bits, 1pcs x Arbor Adapter Descriptions: Diamond grains are permanently