Specification Brand : Utoolmart BulletPoint : Does not include the drill, Milwaukee model 0234-6 must be purchased separately. Please see product description regarding drill. BulletPoint1 : 【DIMENSION】-4mm thickness drill stop. Hex wrench is included to help adjust and install the stop rings. BulletPoint2 : 【MATERIAL】-Strong and durable steel with black-oxide finished for better corrosion-resistance. Set screw type will stay sturdy when tightened and is specially designed not to break the bits. BulletPoint3 : 【ADJUSTABLE】-Drill bit stop collar can be quickly and easily adjusted at any point on drill bit flutes, helps to drill holes to exact depths, prevents under and over drilling. BulletPoint4 : 【APPLICATION】-Set-screw type drill bit limiter is suitable for low axial loads and simple positioning. It is great for jobs that use a bit and need precision. BulletPoint5 : 【NOTICE】-For maximum holding power, make sure the set screw material is harder than your shaft material. Do not move the drill bit stop after tightening. Color : Black CustomerPackageType : Standard Packaging DrillType : drill_press ExternallyAssignedProductIdentifier : 4544554215665 FinishType : Black Oxide GpsrSafetyAttestation : 1 IncludedComponents : Hardware ItemDisplayWeight : 0.66 pounds ItemName : Utoolmart 2Pcs Drill Dowel 8mm Bore Drill Stop, Drill Bit Depth Holder, Set Screw Style, Black Oxide Carbon Steel ItemPackageDimensions_Height : 7.1882 centimeters ItemPackageDimensions_Length : 1.7018 centimeters ItemPackageDimensions_Width : 5.4102 centimeters ItemPackageQuantity : 6 ItemShape : Square ItemTypeKeyword : drilling-holders Manufacturer : Utoolmart Material : Carbon Steel MaximumChuckSize : 6.35 millimeters MeasurementSystem : US ModelName : M12V tool holder-X ModelNumber : UT190917D-0005 MountingType : Wall Mount NumberOfItems : 6 NumberOfPieces : 3 NumberOfShelves : 8 PartNumber : UT190917D-0005 PowerSourceType : Corded Electric ProductDescription : Utoolmart Bore Drill Stop Drill Bit Depth HolderTechnical Parameters Finish Type:Black Oxide Material:Carbon Steel Color:Black Size:8mm/0.31 inch Product Feature 1.Set-Screw type drill stop is suitable to use on a shaft softer than the set screw. 2.Slide the stop ring onto an unhardened shaft and tighten the set screw, the set screw would bite into the shaft and hold it. 3.This type of drill bit stop features great torque capacity and holding power. 4. The drill stop is suitable for low axial loads and simple positioning. Applications that require repositioning or high axial loads are not applicable. 5.Can be used to limit the movement of a shaft and retain power transmission components such as sprockets, pulleys, and bearings. 6.Mainly for fixing the drill bit, limited the depth of drill holes, make depth of the hole consistent. More convenient to round wood mortise of use. Notes 1.In order to maximize the holding power, the shaft must be softer than the set screw. 2.Tightening the set screws will cause damage to the surface of the shaft, which is an inevitable disadvantage. Please do not move it after locking. To prevent this, small flats are often added under the set screw. Package Content 2 x Drill Bit Stop ProductSiteLaunchDate : 2019-09-24T03:40:27.175Z RecommendedUsesForProduct : Tools RoomType : Garage ShelfType : Bracket Shelf Size : 8mm 2pcs SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredDgHzRegulation1 : not_applicable SupplierDeclaredDgHzRegulation2 : not_applicable SupplierDeclaredDgHzRegulation3 : not_applicable SupplierDeclaredDgHzRegulation4 : not_applicable SupplierDeclaredDgHzRegulation5 : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 SurfaceRecommendation : Alloy Steel SurfaceRecommendation1 : Aluminum SurfaceRecommendation10 : Cast Iron SurfaceRecommendation11 : Iron SurfaceRecommendation12 : Brass SurfaceRecommendation13 : Ceramic SurfaceRecommendation14 : Engineered Wood SurfaceRecommendation15 : Polyvinyl Chloride SurfaceRecommendation16 : Acrylonitrile Butadiene Styrene SurfaceRecommendation17 : Nylon SurfaceRecommendation18 : Porcelain SurfaceRecommendation19 : Glass SurfaceRecommendation2 : Metal SurfaceRecommendation20 : Pine SurfaceRecommendation3 : Plastic SurfaceRecommendation4 : Stainless Steel SurfaceRecommendation5 : Wood SurfaceRecommendation6 : Copper SurfaceRecommendation7 : Alloy Steel SurfaceRecommendation8 : Concrete SurfaceRecommendation9 : Stone UnitCount : 1 UnspscCode : 27111700 Voltage : 110 volts