Specification Brand : Wicks Aircraft BulletPoint1 : 4 piece spring back dimple die set, 100° countersink. Includes dies for 3/32” 1/8” 5/32” 3/16”. BulletPoint2 : These dimple dies are designed to form a 100° countersink when working with thin aluminum or other soft metals when installing flush head rivets or other fasteners with a 100° head. BulletPoint3 : A Dimple die set for sheet metal is typically used when flush fasteners are desired but the material is two thin to drill a countersink hole. Example 0.025" aluminum. BulletPoint4 : A dimple die requires a hand or pneumatic rivet squeezer to form the dimple in the sheet metal. These dies fit most such squeezers and feature a 0.187" diameter shank. BulletPoint5 : Spring back dimple dies are available in 4 separate sizes and as a 4 piece kit. If buying only one size make sure it fits the diameter of your fastener and that your fastener has a 100° head. BulletPoint6 : THIS LISTING IS FOR THE DIMPLE DIE ONLY! RIVET SQUEEZERS ARE SOLD SEPERATELY! Color : Silver CuttingAngleString : 100.0 degrees ExternallyAssignedProductIdentifier : 9489228803081 ExternallyAssignedProductIdentifier1 : 788703727218 ExternallyAssignedProductIdentifier2 : 0788703727218 FinishType : Polished GpsrSafetyAttestation : 1 IncludedComponents : 3-Countersink Drill Bits ItemName : 4 Piece Set Spring Back Dimple Die, 100° Countersink. 3/32” 1/8” 5/32” 3/16”. for Sheet Metal Fabrication. Fits Hand and Pneumatic Rivet Squeezers. ItemPackageDimensions_Height : 1 inches ItemPackageDimensions_Length : 1.5 inches ItemPackageDimensions_Width : 1 inches ItemPackageQuantity : 1 ItemShape : Round ItemTypeKeyword : countersink-bits Manufacturer : Wicks Aircraft and Motorsports Material : Stainless Steel Material1 : Stainless Steel Material2 : High Speed Steel Material3 : Brass ModelNumber : TC-407 NumberOfFlutes : 4 NumberOfItems : 4 NumberOfPieces : 2 PartNumber : TC-407 ProductDescription : A Dimple die set for sheet metal is typically used where flush fasteners are desired but the material is to thin to drill a countersink hole. Example 0.025 inch thick aluminum. In this case a spring back dimple die is used to form an indentation in the metal that is the proper angle and depth for the fastener being used. 100 degree is standard for flush mount rivets and some other fasteners. If unsure check the angle of your head before purchasing a set of dimple dies or a countersink. That information should be available from the company the fasteners were purchased from. In may cases it will be listed in the item description. Spring back dimple dies are available in 4 separate sizes and as a 4 piece kit. If buying only one size make sure it fits the diameter of your fastener. THIS LISTING IS FOR THE DIMPLE DIE ONLY! RIVET SQUEEZERS ARE SOLD SEPERATELY! ProductSiteLaunchDate : 2023-11-24T16:17:39.040Z Size : Set of 4 Dimple Dies Style : 5 Pcs Countersink Drill Bit Set SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 SurfaceRecommendation : Aluminum, Metal SurfaceRecommendation1 : Plastic SurfaceRecommendation2 : Metal SurfaceRecommendation3 : Wood SurfaceRecommendation4 : Copper SurfaceRecommendation5 : Alloy Steel SurfaceRecommendation6 : Aluminum SurfaceRecommendation7 : Brass SurfaceRecommendation8 : Cast Iron UnitCount : 1 UnspscCode : 31161500