Specification Brand : Materro BulletPoint : Price For: Each BulletPoint1 : 【Value Knurled Thumb Screw Kit】The thumb screw knob contains 48Pcs 9 sizes knurled thumbscrews: M4 x 10mm, M4 x 20mm, M4 x 30mm, M5 x 12mm, M5 x 20mm, M5 x 30mm, M6 x 15mm, M6 x 20mm, M6 x 30mm. All of them are packed in a clear storage box for easy carrying and take. Multiple sizes and abundant quantities can satisfy your lathe replacement needs. BulletPoint2 : 【Product Dimension Detail】 Thread type is metric thread M4/M5/M6, thread pitch: M4 x 0.7mm, M5 x 0.8mm, M6 x 1.0mm. Three different sizes of knurled knobs are universal for most types of metal working and auto body shops projects. Please check the thread size you need before ordering. BulletPoint3 : 【Premium Knurled Knob Screws】The knob thumb screw is made of premium plastic and galvanized carbon steel with strong oxidation resistance, corrosion and rust resistant, not easy to crack or deform even if in high temperature. Knurled clamping knob has smooth and burr-free surface, with even chamfering, which provides a comfortable grip and anti-slip effect. Round knob head is ergonomically designed to avoid scratching your hands, easy and safe to use. BulletPoint4 : 【Injection molding process】The thread is deep and sharp, uniform force for locking firmly, not easy to slip. One-time Injection molding process makes external hexagon screws tightly combined with the knurled round head for optimal durability and effectiveness. Ample finger grip spacing for easy direct screw-on tightening ensures maximum adjustment and control. No tools required, giving you good using experience. BulletPoint5 : 【Perfect Choice】Widely used in metal working, fix microphone stand, attach TV and computer monitors etc. Suitable for woodworking, auto body shops projects, mechanical equipment, electronic equipment, drill press, router tables, lathe machine, table saw, workshop machinery, door, lockers, cabinet, the rack bracket, furniture equipment, instrument, apparatus and so on. Also available as a replacement knob for shop wiring jigs and fixtures. Color : Red, Stainless Steel DriveSystem : Thumb ExteriorFinish : Stainless Steel ExternallyAssignedProductIdentifier1 : 809555080174 ExternallyAssignedProductIdentifier2 : 0809555080174 FinishType : Smooth GpsrSafetyAttestation : 1 GradeRating : Industrial ItemName : Thumb Screw, Knurled, 4-40 x 3/8" L, pk 5 ItemPackageDimensions_Height : 0.5 inches ItemPackageDimensions_Length : 7 inches ItemPackageDimensions_Width : 4 inches ItemPackageQuantity : 4 ItemShape : Round ItemTypeKeyword : thumb-screws Manufacturer : Materro Material : Stainless Steel Material1 : Stainless Steel Material2 : Plastic MeasurementSystem : Imperial MetalType : Stainless Steel ModelNumber : HDS-1420-TW58-4R NumberOfItems : 1 NumberOfPieces : 5 PartNumber : WFTSSS00 Pattern : Solid ProductDescription : 'Thumb Screw, Knurled Small Diameter With Shoulder Head Type, 18-8 Stainless Steel, Thread Size 4-40, Length 3/8 In, Head Width 1/8 In, Head Thickness 1/8 In, Head Diameter 19/64 In, Head Height 1/8 In, Shoulder Dia 15/64 In, Screw Shoulder Length 1/8 In, Class 2A, Rockwell Hardness B85-B95, Tensile Strength 80,000 PSI, Passivated Finish, Package 5' ProductSiteLaunchDate : 2017-03-06T23:50:20.953Z Size : 3/8" SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 8 UnspscCode : 31161500