Specification Brand : binifiMux BulletPoint1 : [✔] Name: Coarse SAE Combination Drill Tap Set; 1/4" Hex Shank; BulletPoint2 : [✔] Material: HSS 4341; [✔] Include size: 1/8-40(4-40), 5/32-32(6-32), 3/16-24(10-24), 1/4-20, 5/16-18, 3/8-16; BulletPoint3 : [✔] Features: High strength, Light, High hardness, No deformation, Clear thread; BulletPoint4 : [✔] Application: It is suitable for materials with low hardness such as wood plates, aluminum plates and iron plates. BulletPoint5 : [✔] Package contains 6 pieces drill tap bits; BulletPoint6 : [✔] Kindly remind: if unit can't satisfy you, please contact my team first for solve your issues. Color : Black-50mm & Adapter CuttingAngleString : 90 degrees ExternallyAssignedProductIdentifier1 : 0717803429388 ExternallyAssignedProductIdentifier2 : 717803429388 FinishType : Titanium IncludedComponents : Drill bit tap sets ItemName : binifiMux Drill Tap Bit Set, SAE Drill Bit, Titanium 1/4" Hex HSS Shank Titanium Drill Tap Combination Bit Set Screw Tapping Countersink Drill Bits ItemPackageDimensions_Height : 0.5 inches ItemPackageDimensions_Length : 4 inches ItemPackageDimensions_Width : 2.6 inches ItemTypeKeyword : countersink-bits Manufacturer : binifiMux Material : High Speed Steel Material1 : High Speed Steel Material2 : Alloy Steel ModelNumber : 22PC Countersink Drill NumberOfItems : 6 PartNumber : CF-1137 ProductDescription : Taps are tools for processing various medium and small size internal threads, it is simple in structure, easy to use, can be operated by hand, can also work on machine tools, and is widely used in production. This package includes 1/8-40(4-40), 5/32-32(6-32), 3/16-24(10-24), 1/4-20, 5/16-18, 3/8-16 coming in one plastic box.