Hexagon Socket Countersunk Head Screws

Name: Hexagon Socket Countersunk Head Screws
Brand: YF Zhichengjia
SKU: ZCJ-1743
Availability: InStock

Product Description The hexagon socket countersunk head screw is crafted from high-strength alloy steel, featuring a precision-engineered countersunk structure that ensures the head sits perfectly flush with the mating surface after install...

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Product Overview

The hex-socket countersunk screw uses a precision countersunk form, so after tightening the head sits completely flush with the mating surface and takes up no extra height — suited to points where a flat surface is required and no protrusion is allowed. The hex-socket drive distributes force evenly and withstands high tightening torque without slipping, while the finish is fine and the appearance clean.

Technical Features

90° countersunk head: flush with the joint surface after tightening
Hex socket drive: high torque transmission, resists slipping
A precise countersink angle ensures a close fit with the countersunk hole.
High-strength alloy steel with strong load capacity
Uniform, fine surface finish with a clean appearance

Technical Specifications

Material	High-strength alloy steel
Surface treatment	Black oxide / zinc plating (optional)
Standard	Hexagon socket countersunk head screws GB/T 70.3 (ISO 10642); Mechanical properties GB/T 3098.1 (ISO 898-1)
Application	Fastening points requiring a flush surface
Head type	Countersunk head, flush fit
Drive	Internal hexagon (Allen) socket