DIN916/GB80 M1.6-M24 Concave End Screw | 12.9 Grade Hex Socket Headless Industrial Set Screw

Regular price $4.40 USD

Regular price ~~$4.40 USD~~ Sale price $4.40 USD

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pieces)Variant sold out or unavailable M12 * 80 (2 pieces)Variant sold out or unavailable M12 * 90 (2 pieces)Variant sold out or unavailable M12 * 100 (2 pieces)Variant sold out or unavailable M14 * 10 (20 pieces)Variant sold out or unavailable M14 * 14 (20 pieces)Variant sold out or unavailable M14 * 16 (20 pieces)Variant sold out or unavailable M14 * 20 (20pcs)Variant sold out or unavailable M14 * 25 (20 pieces)Variant sold out or unavailable M14 * 30 (20 pieces)Variant sold out or unavailable M14 * 35 (10 pieces)Variant sold out or unavailable M14 * 40 (10 pieces)Variant sold out or unavailable M14 * 45 (5 pieces)Variant sold out or unavailable M14 * 50 (5 pieces)Variant sold out or unavailable M14 * 55 (2 pieces)Variant sold out or unavailable M14 * 60 (2 pieces)Variant sold out or unavailable M14 * 65 (2 pieces)Variant sold out or unavailable M14 * 70 (2 pieces)Variant sold out or unavailable "=== The following is the M16 series =="Variant sold out or unavailable M16 * 10 (10 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12.9 Grade DIN916/GB80 set screws are high-performance industrial fasteners, engineered as headless hex socket screws with a concave end. Covering sizes M1.6 to M24, these precision grub screws deliver exceptional hardness and clamping force, ideal for securing components in machinery, automotive parts, tooling, and heavy-duty equipment where concealed, anti-loosening fastening is required.

Crafted to 12.9 high-strength standards, they boast superior tensile strength and wear resistance, maintaining stability under extreme loads and vibration. The hex socket drive enables precise torque control and easy installation in tight spaces, compatible with standard industrial tools. The concave end design ensures tight contact with workpieces, enhancing grip and preventing slippage for reliable long-term performance.

Compliant with both DIN916 and GB80 standards, these headless set screws guarantee consistent dimensional accuracy and universal compatibility. Their headless structure allows for flush, concealed installation, avoiding interference with moving parts—perfect for precision machinery and industrial fixtures.

Core Features & Advantages

12.9 High-Strength Grade: Outstanding hardness and tensile strength for heavy-duty, high-vibration scenarios.
Dual Standard Compliance: DIN916 & GB80 compatibility, meeting global industrial performance requirements.
Hex Socket Concave End: Precise installation, enhanced workpiece grip, and anti-slip performance.
Headless Design: Concealed flush fit, no protrusions, and compatibility with moving components.
M1.6-M24 Size Range: Covers micro to large precision fastening needs for diverse industrial applications.

Key Specifications

Grade: 12.9 High-Strength
Standards: DIN916, GB80
Drive Type: Hex Socket
Design: Headless, Concave End, Set Screw (Grub Screw)
Sizes: M1.6 - M24 (M1.6, M2, M2.5, M3, M4, M5, M6, M8, M10, M12, M16, M20, M24)
Applications: Precision Machinery, Automotive Parts, Industrial Tooling, Heavy-Duty Equipment, Mechanical Fixtures
Performance: High Hardness, Strong Clamping Force, Anti-Vibration, Concealed Fastening