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Home Product M4*8*9 Fastening Bolt Hex Key Screw A2-70 | Stainless Steel Metric Hardware | Industrial Machinery Fastener
Carbon steel thin head screws M4*8*9

M4*8*9 Fastening Bolt Hex Key Screw A2-70 | Stainless Steel Metric Hardware | Industrial Machinery Fastener

M4x8x9 Grub Screw
M4 Threaded Insert 8mm
M4x9mm Set Screw
M4*8*9
M4x8x9 Grub Screw (M4 Threaded Insert 8mm / M4x9mm Set Screw) provides secure fastening, precise fit, and durability in industrial applications. Ideal for machinery, equipment, and component assembly with M4 thread specifications.
Categories:Fasteners & Fixings
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Product Description

The M4x8x9 Grub Screw is a precision-engineered fastening component designed for secure axial or radial fixation in mechanical assemblies. Featuring an M4x9mm Set Screw configuration with a total length of 8mm, this hexagonal socket-driven fastener operates without voltage requirements, making it suitable for diverse industrial applications including CNC machinery, automotive components, and electronic enclosures. Compatible with M4 Threaded Insert 8mm installations, it achieves reliable grip strength across temperature ranges of -30°C to +120°C. The fully-threaded design ensures uniform load distribution while the hardened steel construction offers corrosion resistance. Key advantages include space-efficient installation in confined areas and vibration-resistant performance, though alignment precision is critical during deployment. Typical applications span robotics joints, tooling fixtures, and precision instrument calibration systems requiring micron-level positional accuracy. The compact 8mm body length accommodates standard M4 threaded receptacles while maintaining accessibility for maintenance adjustments.
M4x8x9 Grub Screw
ParameterSpecification
Thread DiameterM4
Thread Pitch0.7mm
Thread Length8mm
Total Length9mm
Head TypeHeadless
Drive StyleHex Socket
Hex Key Size2.5mm
MaterialStainless Steel 304
Surface FinishBlack Oxide
M4 Threaded Insert 8mm
ParameterSpecification
Internal ThreadM4
External Diameter5.5mm
Insertion Depth8mm
Installation ToolHex Key
Torque Range0.8-1.5 Nm
Flute DesignStraight Knurl
Base MaterialBrass C360
Temperature Resistance≤200°C
M4x9mm Set Screw
ParameterSpecification
Thread SizeM4 x 0.7mm
Shank Length9mm
Head StyleCup Point
Drive TypeHex Socket
Socket Size3mm
Core MaterialAlloy Steel 12.9
CoatingZinc Nickel
Proof Load940 MPa
question:Do you provide technical selection services?
answer:Yes, we offer technical selection support and tailored recommendations based on your project requirements.
question:Can you upgrade models or provide alternative options?
answer:We provide upgraded models and alternative options upon request. Contact us for specific details.
question:Why is shipping expensive? Are there cheaper options?
answer:Shipping costs vary by carrier and urgency. We can suggest slower, cost-effective options like sea freight.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
question:Do you provide technical selection services?
answer:Yes, we offer technical selection support and tailored recommendations based on your project requirements.
question:Can you upgrade models or provide alternative options?
answer:We provide upgraded models and alternative options upon request. Contact us for specific details.
question:Why is shipping expensive? Are there cheaper options?
answer:Shipping costs vary by carrier and urgency. We can suggest slower, cost-effective options like sea freight.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
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