GB79/DIN915 M2.5-M16 Convex End Screw 12.9 Grade Hex Socket Cylindrical Headless Industrial Set Screw

Regular price $6.54 USD

Regular price ~~$6.54 USD~~ Sale price $6.54 USD

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Color classification M2.5*4 (200 pcs)Variant sold out or unavailable M2.5*5 (200 pcs)Variant sold out or unavailable M2.5*5.5 (200 pcs)Variant sold out or unavailable M2.5*6 (200 pcs)Variant sold out or unavailable M2.5*8 (200 pcs)Variant sold out or unavailable M2.5*10 (200 pcs)Variant sold out or unavailable M3*3 (500 pcs)Variant sold out or unavailable M3*4 (500 pcs)Variant sold out or unavailable M3*5 (500pcs)Variant sold out or unavailable M3*6 (500 pcs)Variant sold out or unavailable M3*7.5 (Column 1.5*3.5) (100 pcs)Variant sold out or unavailable M3*8 (column length 4.5 mm) (100 pieces)Variant sold out or unavailable M3*8 (500 pcs)Variant sold out or unavailable M3*10 (200 pcs)Variant sold out or unavailable M3*12 (200pcs)Variant sold out or unavailable M3*14 (200pcs)Variant sold out or unavailable M3*16 (100pcs)Variant sold out or unavailable M3*20 (200 pcs)Variant sold out or unavailable M4*3.5 (500 pcs)Variant sold out or unavailable M4*4 (500 pcs)Variant sold out or 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or unavailable M5*40 (50 pcs)Variant sold out or unavailable M6*4.7 (100pcs)Variant sold out or unavailable M6*6 (500pcs)Variant sold out or unavailable M6*8 (500pcs)Variant sold out or unavailable M6*10 (500pcs)Variant sold out or unavailable M6*12 (200 pcs)Variant sold out or unavailable M6*16(200pcs)Variant sold out or unavailable M6*20 (100 pcs)Variant sold out or unavailable M6*25 (50pcs)Variant sold out or unavailable M6*30 (50 pcs)Variant sold out or unavailable M6*35(50pcs)Variant sold out or unavailable M6*40 (50 pcs)Variant sold out or unavailable M8*6 (100pcs)Variant sold out or unavailable M8*8 (100pcs)Variant sold out or unavailable M8 * 10 (100 pieces)Variant sold out or unavailable M8 * 12 (100 pieces)Variant sold out or unavailable M8 * 16 (100 pieces)Variant sold out or unavailable M8 * 20 (100 pieces)Variant sold out or unavailable M8 * 25 (50 pieces)Variant sold out or unavailable M8 * 30 (50 pieces)Variant sold out or unavailable M8 * 35 (50 pieces)Variant sold out 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(20pcs)Variant sold out or unavailable M12 * 45 (10 pieces)Variant sold out or unavailable M12*50 (10 pcs)Variant sold out or unavailable M12*60 (10 pcs)Variant sold out or unavailable M14*14(20pcs)Variant sold out or unavailable M14*16 (20 pcs)Variant sold out or unavailable M14*20 (20 pcs)Variant sold out or unavailable M14*25(20pcs)Variant sold out or unavailable M14*30 (20 pcs)Variant sold out or unavailable M14*35 (10 pcs)Variant sold out or unavailable M14*40 (10 pcs)Variant sold out or unavailable M14*45 (10 pcs)Variant sold out or unavailable M16*12(10pcs)Variant sold out or unavailable M16*16(10pcs)Variant sold out or unavailable M16*20 (10 pcs)Variant sold out or unavailable M16*25 (10 pcs)Variant sold out or unavailable M16*30 (5pcs)Variant sold out or unavailable M16*35(5pcs)Variant sold out or unavailable M16*40 (5pcs)Variant sold out or unavailable M16*45 (5 pcs)Variant sold out or unavailable M16*50 (5pcs)Variant sold out or unavailable M16*55 (5 pcs)Variant sold out or unavailable M16*60 (5 pcs)Variant sold out or unavailable

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12.9 Grade GB79/DIN915 set screws are high-performance industrial fasteners, engineered as headless hex socket screws with a cylindrical convex end. Covering sizes M2.5 to M16, these precision grub screws deliver exceptional hardness, tensile strength, and clamping force, ideal for concealed fastening in machinery, automotive components, industrial tooling, and mechanical fixtures.

Crafted to 12.9 high-strength standards, they boast superior wear resistance and anti-vibration performance, maintaining secure component fixation even under heavy loads and frequent mechanical movement. The hex socket drive enables precise torque control and easy installation in tight spaces, compatible with standard industrial tools for efficient assembly workflows.

The cylindrical convex end design ensures tight contact with workpieces, enhancing grip and preventing slippage for long-term reliability. Fully compliant with GB79 and DIN915 standards, these headless set screws guarantee consistent dimensional accuracy and universal compatibility, perfect for high-precision industrial applications where functionality and durability are critical.

Core Features & Advantages

12.9 High-Strength Grade: Outstanding hardness and tensile strength for heavy-duty, high-vibration scenarios.
Dual Standard Compliance: GB79 & DIN915 compatibility, meeting global industrial performance requirements.
Hex Socket Cylindrical Convex End: Precise installation, enhanced workpiece grip, and anti-slip performance.
Headless Design: Concealed flush fit, no protrusions, and safe compatibility with moving mechanical parts.
M2.5-M16 Size Range: Covers small to medium precision fastening needs for diverse industrial applications.

Key Specifications

Grade: 12.9 High-Strength
Standards: GB79, DIN915
Drive Type: Hex Socket
Design: Headless, Cylindrical Convex End, Set Screw (Grub Screw)
Sizes: M2.5 - M16 (M2.5, M3, M4, M5, M12, M14, M16)
Applications: Precision Machinery, Automotive Parts, Industrial Tooling, Mechanical Fixtures
Performance: High Hardness, Strong Clamping Force, Anti-Vibration, Concealed Fastening