30/40/68/80/100mm hole saw set, concrete drill bit, concrete drill bit can drill a hole, SDS adapter

TRIMEC, we look forward to your visit. Don't hesitate to contact us if you have any questions.✨ Description Let this hole saw kit make your drilling work easier! It doesn't break or break easily and can withstand more intense work. Installation 1. Install the center drill bit in the corresponding extension hole of the groove. 2. Insert the center drill bit into the bottom. 3. Place the fixing screw in the extension rod. 4. Tighten the fixing screw with the wrench. 5. Place the pusher in the extension. 6. Tighten the push button and the extension. Specifications Material: 45Cr carbon steel, 40Cr alloy, YG8 Surface Treatment: Sandblasting Compatible Materials: Brick, Cement Number of Pieces: 9 Diameter: 30/40/68/80/100mm Cutting Diameter: 30-100mm/1.18-3.94in Chip Slot Length: 50mm/1.97in Tool Length: 50mm/1.97in Total Length: 370mm/14.57in Cutting Depth: 330-350mm/12.99-13.78in Blade Size: 6.5mm/0.26in Blade Diameter: 30-100mm/1.18-3.94in Blade Length: 50mm/1.97in Number of Teeth: 4/5/8/10/12 Tube Diameter: 3.4-3.5mm/0.13-0.14in Tool Box Size: 20.5*16*9.5cm/8.07*6.3*3.74in Gross weight:5.8kg/12.79lbs Packaging included 1*drillÖ30mm 1*drillÖ40mm 1*drillÖ68mm 1*drillÖ80mm 1*drill Ö100mm Central drill 2*Ö8x110 1*SDSplushandle 300mm 1*maximum bar SDS300mm 1*plastic toolbox Notes 1. Wear full protective equipment when using the tool. 2. Please note that this product is not suitable for drilling holes in stainless steel, steel, tile, and stone.