Round Head Half Hexagon Step Screw Ball Head Limit Positioning Step Fastener

Round Head Half Hexagon Step Screw Ball Head Limit Positioning Step Fastener

We custom produce round ball head half hex step screws with smooth spherical head, middle limit step and hex positioning tail. The whole screw is galvanized for anti-rust, full precision rolled threads with stable hardness to prevent thread slipping. The limit step accurately controls assembly depth, and the half-hex tail provides anti-rotation positioning. Widely used for equipment limit, hardware molds, instrument panels and automation equipment fixing. All standard sizes in stock, custom ball head diameter, step thickness and total length are available per drawings.

Product Overview

Round head half hex step screw is a special limit positioning fastener for precision mechanical assembly. The smooth spherical round head avoids scratch on product surface during installation. The middle step acts as a depth limiter to unify assembly depth of all parts. The semi-hex tail realizes anti-rotation positioning, which greatly improves assembly precision for molds and automation equipment. The galvanized surface provides excellent rust resistance for long-term indoor and outdoor use.

Core Advantages

1. Accurate Step Limit Design

Integrated step structure controls locking depth uniformly, no over-tightening damage to workpieces.

2. Anti-Rotation Half Hex Tail

Hexagonal tail section prevents screw rotation during assembly, stable positioning for precision equipment.

3. Smooth Ball Round Head

Polished spherical head without sharp edges, protecting plastic and metal shell surfaces from scratches.

4. Durable Thread & Anti-Rust Surface

Precision rolled full threads with high hardness, galvanized layer for good corrosion resistance.

5. Customizable Dimension Service

Customize ball head diameter, step thickness, screw length and thread size according to customer drawings and samples.

Application Fields

Automation equipment limit positioning, precision hardware molds, medical instrument panels, electronic equipment housings, mechanical fixture fixing, testing jigs.

Factory Strength

We are a professional custom step fastener manufacturer with 20 years of hardware processing experience. Equipped with automatic lathes, thread rolling machines and galvanizing production lines to complete full independent processing. Each batch of step screws will pass hardness test, thread tolerance test and positioning limit test before delivery to guarantee stable quality. We provide one-stop technical customization service and factory direct wholesale price for global hardware distributors and machinery manufacturers

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