CNC machining parts

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High accurate MIM (metal injection molding) parts have being widely used in the field of automotive, aerospace, firearms, medical, and consumer electronic and mechanical components industries.
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CNC Machined Brass Pen Cap

Product Presentation

This brass pen cap is CNC turned from brass H59 / H62 with a polished or plated finish, featuring a precise interior fit and rounded ergonomic exterior. The refined design makes it suitable for premium pens, luxury writing instruments and high-end stationary products.

CNC Machined Brass Pen Cap - view 1

CNC Machined Brass Pen Cap - view 2

CNC Machined Brass Pen Cap - view 3

Key Features

CNC turned from brass H59 / H62 for premium look and feel
Precise interior fit for secure pen closure
Polished or plated surface, burr-free
Customizable: length, diameter, clip and finish
Suitable for premium and luxury pens

Technical Specifications

Process	CNC turning + CNC milling
Material	Brass H59 / H62
Tolerance	±0.03 mm
Surface finish	Polishing, nickel plating, chrome plating, PVD
Lead time	7-15 days
MOQ	1 piece accepted for prototype
Drawing format	STP / STEP / IGES / PDF / DXF
Quality control	100% dimensional and appearance inspection
Application	Luxury pens, writing instruments, precision hardware

Applications

Luxury and premium pens
Mechanical and fountain pens
High-end stationary products
Promotional and corporate gifts
Custom OEM pen components

Why Choose MDM

One-stop service from drawing review, tooling to mass production
ISO 9001 certified manufacturing with full inspection reports
Competitive pricing with on-time delivery worldwide
Free DFM feedback for cost and quality optimization
Fast response within 24 hours for all inquiries

Request a quote for your custom parts — send us your drawings, we reply within 24 hours.

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