SAE UNC #4-40 to 3/8"-16 304 Stainless Steel Cup Point Set Screws Kit

Product description: Set screws exert pressure at the tip to hold objects in place. All have a cup point with a thin edge that digs into the contact surface for a secure hold. Length listed is the overall length. Package include: 280pcs 14 Sizes 4-40,6-32,8-32,10-24,1/4"-20,5/16"-18,3/8"-16 Internal Hex Allen Head Socket Set Screw Assortment Kit;Come with the plastic box: List(Type,Thread x Length,Quantity)： Internal Hex Set Screws 4-40x1/8" 20PCS Internal Hex Set Screws 4-40x3/16" 20PCS Internal Hex Set Screws 4-40x1/4" 20PCS Internal Hex Set Screws 6-32x3/16" 20PCS Internal Hex Set Screws 6-32x1/4" 20PCS Internal Hex Set Screws 8-32x3/16" 20PCS Internal Hex Set Screws 8-32x1/4" 20PCS Internal Hex Set Screws 10-24x1/4" 20PCS Internal Hex Set Screws 10-24x5/16" 20PCS Internal Hex Set Screws 1/4"-20x5/16" 20PCS Internal Hex Set Screws 1/4"-20x3/8" 20PCS Internal Hex Set Screws 5/16"-18x5/16" 20PCS Internal Hex Set Screws 5/16"-18x3/8" 20PCS Internal Hex Set Screws 3/8"-16x3/8" 20PCS Packing contents: HVAZI 280PCS 14 Kinds 4-40 to 3/8"-16 304 Stainless Steel Cup Point Set Screws Assortment kit Packed in a plastic box

• All-in-One 280PCS 14-Size SAE UNC Cup Point Grub Screw Pack:This kit contains total 280pcs headless internal hex set screws covering all mainstream small & medium inch UNC threads: #4-40(1/8",3/16",1/4"), #6-32(3/16",1/4"), #8-32(3/16",1/4"), #10-24(1/4",5/16"), 1/4"-20(5/16",3/8"), 5/16"-18(5/16",3/8"), 3/8"-16(3/8"), 20 pieces per specification. Full-size assortment avoids repeated separate purchases for mechanical assembly maintenance
• The assortments contain the following sizes:4-40x1/8";4-40x3/16";4-40x1/4";6-32x3/16";6-32x1/4";8-32x3/16";8-32x1/4";10-24x1/4";10-24x5/16";1/4"-20x5/16";1/4"-20x3/8";5/16"-18x5/16";5/16"-18x3/8";3/8"-16x3/8";Each 20 pcs,total 280 pcs
• Anti-Corrosion 304 Stainless Steel Material:All set screws adopt solid 304 stainless steel raw material, effectively resist rust, acid and alkali corrosion. Smooth full uniform threads without burrs, no galling or seizing during repeated tightening and disassembly, long service life for instruments, motors and automation equipment. May be mildly magnetic
• Vibration-Proof Cup Point Locking Tip:Unique concave cup point creates strong compression friction when fastened. The thin edge embeds slightly into the mating surface to lock shafts, gears and pulleys firmly, eliminating loose displacement caused by high-speed rotation and shock impact. Screw total length is measured from headless end to cup tip as marked
• Internal Hex Allen Drive for Precise Torque Control:Recessed internal hex socket matches standard Allen hex keys, allows accurate torque application without tool slipping. Headless flush mounting design won’t protrude outside components, suitable for compact, low-clearance assembly structures
• Separated Portable Plastic Storage Organizer: Comes with a sturdy split transparent plastic storage case, each size grub screw stored in individual labeled compartment for fast size identification. Compact lightweight design easy to carry to machine shop, auto repair garage and home DIY mechanical projects