Specification Brand : Joylike BulletPoint1 : Pakcage:Hole saw diameter: 3-1/2"(90mm); 1x 220mm sds plus connecting rod; 1x 110mm center positioning drill bits; 1x positioning drill screw BulletPoint2 : Material: The concrete hole saw kit made of tungsten steel and alloy, high-frequency welding technology, welding openings is very strong, smooth inside and outside welding mouth. Ultra-sturdiness and durable, easy to opearation, and long service life BulletPoint3 : Wide applications:The masonry hole saw bit set fits sds plus shank on the connecting rod works with sds plus tools by all major manufacturers. Easily drills walls, stones, bricks, or installation of air-conditioning, oil fume exhauster, sewer pipeline hole open and so on BulletPoint4 : Tips:Since the hardness difference of the stones/bricks, hole saw need a bit more time than normal, please use it with flowing water when work on high hardness material, it will reduce the abrasion of the hole saw BulletPoint5 : Unique design:The masonry hole saws blade is made of raw materials, thicker and sharper than other ordinary blades. It can easily penetrate steel bars up to 6mm BulletPoint6 : Instructions for safe and efficient use and longer tool life BulletPoint7 : For small diameter holes, or larger holes in light material; can be used with 1/4" or 3/8" drills BulletPoint8 : For heavy duty applications, 1/2" drills are recommended Color : Silver CompatibleMaterial : Stone, Bricks, Mortar, Cinder Block, Adobe Wall CompatibleMaterial1 : Stainless Steel CompatibleMaterial2 : Metal CompatibleMaterial3 : Cast Iron CompatibleMaterial4 : Aluminum CompatibleMaterial5 : Alloy Steel CompatibleMaterial6 : Iron CompatibleMaterial7 : Alloy Steel CompatibleMaterial8 : Brass CustomerPackageType : Standard Packaging CuttingAngleString : 45.0 degrees ExternallyAssignedProductIdentifier : 6494551018371 ExternallyAssignedProductIdentifier1 : 887772898796 ExternallyAssignedProductIdentifier2 : 0887772898796 ExternallyAssignedProductIdentifier3 : 00050326120524 FinishType : Nickel GpsrSafetyAttestation : 1 ItemName : Joylike 15pcs Diamond Coated Drill Bit Set Tile Marble Glass Ceramic Hole Saw Drilling Bits For Power Tools 6mm-50mm ItemPackageDimensions_Height : 19.812 centimeters ItemPackageDimensions_Length : 7.112 centimeters ItemPackageDimensions_Width : 13.462 centimeters ItemPackageQuantity : 1 ItemShape : Round ItemTypeKeyword : hole-saw-sets Manufacturer : Joylike Material : Alloy Steel ModelName : MHSA52C ModelNumber : DU276250SGP02-FBA NumberOfFlutes : 1 NumberOfItems : 1 NumberOfPieces : 15 PartNumber : O06QKQ90 ProductDescription : Please recognize our brand Joylike(DAZHAO), Joylike(DAZHAO) will provide you with high quality products.
Widely Application: Perfect for removing a complete circle from glass, tiles, marble, ceramic or other materials. Ideal for drilling accurate and clean holes. Can be installed on a standard electric drill, a professional drill or drill, bench drill.
Features: High Rigidity Diamond This tile hole saw are made of industrial grade carbon steel with nickel-plated coated body that resist corrosion. Thicken corundum coating on the tops offers superior cutting strength for maximum drilling outcomes. Widely Application There are 15 different sizes included with this glass drill set to meet various demands.
Package Content: A Instruction Munual 15 pieces Diamond Coated Drill Bit Diamond Coated Drill Bit
Instructions: 1. Mount the drill bit on a common drill such as a hand drill 2. When operating, let the hole opener tilt 45°, slow down the speed of the drill, and slowly contact glass, stone, etc. 3. Open one crescent on one side of the hole, then start the work with the vertical drill 4. Don't be too fast in the process of opening the hole, be sure to continue adding water to cool the hole opener
Attention: 1.Please keep the speed within 800-1000 per minute, low drill pressure and increased use of water lubrication will extend drill bit life. 2.Please keep adding water when the diamond drill bits are working on the glass or ceramics.