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Extra Sharp Point Set Screw
Extra Sharp Point Set Screw (alias: Extra Sharp Machine Screw, Locking Screw, Headless Screw) is a high-precision, strong-positioning fastener designed for occasions requiring rapid positioning and prevention of part rotation. Crafted from 304/201 premium stainless steel (containing chromium and nickel, anti-oxidation, acid-alkali resistant), it features a sharp conical point (high-precision positioning, quick insertion into mounting holes) and a hexagon socket drive (compliant with ISO 4762 standard, high-torque installation without slipping).
Product Description
Extra Sharp Point Set Screw (alias: Extra Sharp Machine Screw, Locking Screw, Headless Screw) is a high-precision, strong-positioning fastener designed for occasions requiring rapid positioning and prevention of part rotation. Crafted from 304/201 premium stainless steel (containing chromium and nickel, anti-oxidation, acid-alkali resistant), it features a sharp conical point (high-precision positioning, quick insertion into mounting holes) and a hexagon socket drive (compliant with ISO 4762 standard, high-torque installation without slipping).
Manufactured via precision thread processing technology (CNC lathe + thread rolling machine), the screw has regular thread profiles (pitch error ≤0.02mm) and tight fit (IT6 grade precision). The sharp point design effectively prevents part loosening or rotation, making it suitable for applications with high precision requirements (e.g., security doors, locks, outdoor facilities).
Manufactured via precision thread processing technology (CNC lathe + thread rolling machine), the screw has regular thread profiles (pitch error ≤0.02mm) and tight fit (IT6 grade precision). The sharp point design effectively prevents part loosening or rotation, making it suitable for applications with high precision requirements (e.g., security doors, locks, outdoor facilities).
Product Parameter
Key Specifications (Complies with GB/T 79 (Chinese National Standard for Set Screws)):
Note: Specification is expressed as "Nominal Thread DiameterLength" (e.g., M420 means nominal thread diameter 4mm, length 20mm); Non-standard customization is available to meet special assembly requirements.
| Nominal Thread Diameter (M) | Nominal Length (mm) | Thread Pitch (mm) | Example Specifications |
| M2 | 2–12 | 0.4 | M26, M28 |
| M2.5 | 2.5–12 | 0.45 | M2.58, M2.510 |
| M3 | 3–30 | 0.5 | M312, M320 |
| M4 | 4–50 | 0.7 | M420, M430 |
| M5 | 5–50 | 0.8 | M516, M525 |
| M6 | 6–60 | 1.0 | M620, M630 |
| M8 | 8–60 | 1.25 | M825, M840 |
| M10 | 10–60 | 1.5 | M1030, M1050 |
| M12 | 12–60 | 1.75 | M1230, M1250 |
| M14 | 14–60 | 2.0 | M1435, M1450 |
| M16 | 16–60 | 2.0 | M1640, M1660 |
Note: Specification is expressed as "Nominal Thread DiameterLength" (e.g., M420 means nominal thread diameter 4mm, length 20mm); Non-standard customization is available to meet special assembly requirements.
Product Feature
Sharp Point Positioning Design: The sharp conical point enables quick insertion into mounting holes, with high positioning precision (error ≤0.1mm), effectively preventing part rotation or displacement. Suitable for high-precision fixing occasions (e.g., locks, electronic instruments).
Stainless Steel Corrosion Resistance: Made of 304/201 stainless steel, it offers excellent resistance to rain, acid-base environments, and salt spray, ideal for outdoor, humid, or corrosive environments (e.g., outdoor play facilities, food processing machinery).
Hexagon Socket High-Torque Installation: The hexagon socket (compliant with ISO 4762) fits tightly with wrenches, enabling high-torque installation without slipping (max torque: 15N·m). Suitable for frequent disassembly and assembly (e.g., equipment maintenance, furniture adjustment).
Precision Thread Craftsmanship: Threads are processed with CNC thread rolling technology, ensuring uniform pitch (error ≤0.02mm) and consistent depth, tight fit (IT6 grade precision), and resistance to stripping, guaranteeing secure fixation (e.g., towel racks, household appliances).
Customization Service: The factory supports non-standard specification customization (e.g., adjusting point angle, thread parameters) and provides free samples to meet special customer needs (e.g., irregular part fixation, high-precision requirements).
Application Fields
Security Doors/Locks: Used for part fixation in security door locks (e.g., lock tongues, springs). The sharp point design enables rapid positioning, preventing lock loosening and ensuring safety.
Towel Racks/Household Items: Used for assembly of towel racks, wardrobes, and bookshelves. The hexagon socket allows for convenient installation, and the flush mounting (no protrusions) maintains a tidy appearance, avoiding scratching users.
Outdoor Facilities: Used for assembly of outdoor play facilities (e.g., slides, swings) and fitness equipment. The stainless steel material resists rain and UV corrosion, ensuring a long service life.
Electronic Instruments: Used for internal part fixation in electronic devices (e.g., instruments, communication equipment). The high-precision threads (IT6 grade) do not affect device performance, and the sharp point design facilitates quick installation.
Household Appliances: Used for assembly of washing machines, refrigerators, and air conditioners. The corrosion-resistant property makes it suitable for humid environments (e.g., bathrooms, kitchens), ensuring stable operation of appliances.
Stainless Steel Corrosion Resistance: Made of 304/201 stainless steel, it offers excellent resistance to rain, acid-base environments, and salt spray, ideal for outdoor, humid, or corrosive environments (e.g., outdoor play facilities, food processing machinery).
Hexagon Socket High-Torque Installation: The hexagon socket (compliant with ISO 4762) fits tightly with wrenches, enabling high-torque installation without slipping (max torque: 15N·m). Suitable for frequent disassembly and assembly (e.g., equipment maintenance, furniture adjustment).
Precision Thread Craftsmanship: Threads are processed with CNC thread rolling technology, ensuring uniform pitch (error ≤0.02mm) and consistent depth, tight fit (IT6 grade precision), and resistance to stripping, guaranteeing secure fixation (e.g., towel racks, household appliances).
Customization Service: The factory supports non-standard specification customization (e.g., adjusting point angle, thread parameters) and provides free samples to meet special customer needs (e.g., irregular part fixation, high-precision requirements).
Application Fields
Security Doors/Locks: Used for part fixation in security door locks (e.g., lock tongues, springs). The sharp point design enables rapid positioning, preventing lock loosening and ensuring safety.
Towel Racks/Household Items: Used for assembly of towel racks, wardrobes, and bookshelves. The hexagon socket allows for convenient installation, and the flush mounting (no protrusions) maintains a tidy appearance, avoiding scratching users.
Outdoor Facilities: Used for assembly of outdoor play facilities (e.g., slides, swings) and fitness equipment. The stainless steel material resists rain and UV corrosion, ensuring a long service life.
Electronic Instruments: Used for internal part fixation in electronic devices (e.g., instruments, communication equipment). The high-precision threads (IT6 grade) do not affect device performance, and the sharp point design facilitates quick installation.
Household Appliances: Used for assembly of washing machines, refrigerators, and air conditioners. The corrosion-resistant property makes it suitable for humid environments (e.g., bathrooms, kitchens), ensuring stable operation of appliances.
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