Jeremywell 7/8" (22mm) Diamond Wet Drill Core Bit for Concrete, Granite, Brick Block, #30/40 Diamond Grits, 1-1/4"-7 Threaded, Height 17" High diamond concentration for excellent footage and drilling speed.For use on hand held core drills and core drill standLaser Welded - #30/40 diamond grit segment design allows fast drilling with a longer lifeWelding Method: High Frequency Welded Product Details Drill Bit Diameter(p) 8" No. of Segments 16 Segment Length 0.94" Segment Height 0.39" Segment Width 0.18" Overall Length 17.75" Drilling Depth 16" Arbor Size 1-1/4"-7 Tube Thickness 0.11" Jeremywell 7/8" (63mm) Diamond Wet Drill Core Bit Jeremywell 1-1/4" (63mm) Diamond Wet Drill Core Bit Jeremywell 1-1/2" (63mm) Diamond Wet Drill Core Bit Jeremywell 1-3/8" (63mm) Diamond Wet Drill Core Bit Jeremywell 2" (63mm) Diamond Wet Drill Core Bit Jeremywell 2-1/2" (63mm) Diamond Wet Drill Core Bit Add to Cart Buying Options Add to Cart Add to Cart Add to Cart Add to Cart Customer Reviews 5.0 out of 5 stars 1 5.0 out of 5 stars 1 5.0 out of 5 stars 1 5.0 out of 5 stars 1 5.0 out of 5 stars 1 5.0 out of 5 stars 1 Price $24.50$24.50 — no data $27.73$27.73 $28.42$28.42 $30.93$30.93 $34.83$34.83 Drill Bit Diameter(p) 7/8" 1-1/4" 1-1/2" 1-3/8" 2" 2-1/2" Jeremywell 3" (63mm) Diamond Wet Drill Core Bit Jeremywell 3-1/2" (63mm) Diamond Wet Drill Core Bit Jeremywell 4" (63mm) Diamond Wet Drill Core Bit Jeremywell 5" (63mm) Diamond Wet Drill Core Bit Jeremywell 6" (63mm) Diamond Wet Drill Core Bit Jeremywell 8" (63mm) Diamond Wet Drill Core Bit Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Customer Reviews 5.0 out of 5 stars 1 5.0 out of 5 stars 1 5.0 out of 5 stars 1 5.0 out of 5 stars 1 5.0 out of 5 stars 1 5.0 out of 5 stars 1 Price $38.59$38.59 $38.94$38.94 $43.68$43.68 $52.05$52.05 $59.55$59.55 $97.38$97.38 Drill Bit Diameter(p) 3" 3-1/2" 4" 5" 6" 8"