nonstaining high performance mastic is ideal for small format ceramic
Highly-resistant to most common household stains
no troweling necessary
water-based formula
5/16-18 X 2-1/2-Inch Carriage Bolt
Forstner Bit Set, High-Speed Steel, 4-Pc. Category_Wall & Ceiling Materials nonstaining high performance mastic is4 piece, forstner, high speed steel bit set, sharp center spur accurately locates the center of your hole, use for drilling flat bottom holes, pocket holes or overlapping holes, set includes 1 each: 1" (cut diameter: 1", overall length: 3 1 2", shank diameter: 3 8"), 3 4" (cut diameter: 3 4", overall length: 3 1 2", shank diameter: 3 8", 1 2" cut diameter: 1 2", overall length: 3 1 2", shank diameter: 5 16" & 1 4" cut diameter: 1 4", overall length: 3