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Home Product M1.6x3 Cylindrical Head Hex Socket Screws, DIN 7991 Stainless Steel Fasteners, High-Strength Precision Engineering Bolts
Cylindrical head hexagon socket screws M1.6*3

M1.6x3 Cylindrical Head Hex Socket Screws, DIN 7991 Stainless Steel Fasteners, High-Strength Precision Engineering Bolts

Metric M1.6x3 hex screws
Cylindrical socket head screws
Small hex cap screws M1.6
Cylindrical head hexagon socket screws M1.6*3
Metric M1.6x3 hex screws with cylindrical socket head design, ideal for compact spaces and precision applications. Small hex cap screws M1.6 offer secure fastening with internal hex drive. Cylindrical socket head screws combine durability and low-profile installation for tight assemblies.
Categories:Fasteners & Fixings
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Product Description

The Metric M1.6x3 hex screws are precision-engineered cylindrical socket head screws designed for compact applications requiring high torque transmission in confined spaces. These small hex cap screws M1.6 feature a 1.6mm thread diameter and 3mm length, with a cylindrical head height of 1.1mm and a hex socket depth of 0.8mm. Manufactured from stainless steel (A2/A4 grades) or alloy steel with optional zinc plating or black oxide coatings, they operate reliably in temperatures from -50°C to +150°C. Commonly used in electronics, micro-mechanical assemblies, and precision instrumentation, these screws provide secure fastening for components like PCB boards, sensor housings, and miniature actuators. Advantages include space-saving design, corrosion resistance, and compatibility with standard 1.3mm hex keys, though their small size requires careful handling to avoid tool slippage or thread stripping. Typical tensile strength ranges between 500-700 MPa depending on material grade.
Parameter Specification
Thread Size Metric M1.6x3 hex screws
Head Type Cylindrical socket head screws
Drive Style Hexagon socket (ISO 4762)
Material Stainless Steel A2-70
Surface Finish Black Oxide Coating
Hex Key Size 0.71 mm
Tensile Strength 800 MPa min
Head Diameter 2.70 mm ±0.05
Head Height 1.40 mm ±0.1
Thread Length 3.0 mm ±0.2
Hardness HRC 28-32
Standard DIN 912 / ISO 4762
question:Can I schedule official courier pickups myself?
answer:We allow self-scheduling and provide guidelines to facilitate the process.
question:Do you offer technical selection services?
answer:Yes, we offer technical support to help select suitable products.
question:Can you provide shipment photos and procurement dates for similar products?
answer:We provide such details upon request, subject to confidentiality agreements.
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:Can I schedule official courier pickups myself?
answer:We allow self-scheduling and provide guidelines to facilitate the process.
question:Do you offer technical selection services?
answer:Yes, we offer technical support to help select suitable products.
question:Can you provide shipment photos and procurement dates for similar products?
answer:We provide such details upon request, subject to confidentiality agreements.
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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