CNC Machined 304 Stainless Steel Sleeve Wrench Components

CNC Turned Parts – Precision Crafted from 304 Stainless Steel

These high-precision CNC turned components are manufactured from premium-grade 304 stainless steel, featuring a polished surface finish that delivers a striking, high-gloss metallic appearance. The top of the tube includes an elliptical through-hole, while the bottom features a precision internal thread structure for reliable assembly and functionality.

1. Step 1: Material Preparation
   We begin with high-purity 304 stainless steel tubing as our raw material. Using advanced CNC cutting technology, we ensure the initial length tolerance is tightly controlled within ±0.1mm, guaranteeing dimensional accuracy from the very first stage.
2. Step 2: CNC Lathe Machining
   The part undergoes a multi-stage CNC lathe process. First, rough machining removes excess material to form the outer diameter and inner bore. Subsequently, precision machining refines the inner and outer surfaces, step features, and internal threads—maintaining critical tolerances within ±0.01mm. This ensures exceptional roundness and screw thread accuracy. Throughout the operation, high-pressure coolant is applied alongside specialized cutting tools to prevent thermal deformation of the 304 stainless steel, resulting in a consistently smooth surface finish.
3. Step 3: CNC Drilling for Through-Hole
   After turning, CNC drilling is employed to create the elliptical through-hole at the top. This step ensures precise positioning and perfect perpendicularity relative to the tube body, enhancing structural integrity and alignment performance.
4. Step 4: Mirror Polishing Process
   To achieve a flawless surface, we apply a two-phase polishing technique: mechanical polishing removes residual tool marks from CNC machining, followed by electrolytic polishing to reduce surface roughness to below Ra 0.2 µm—delivering a mirror-like, ultra-smooth finish that enhances both aesthetics and corrosion resistance.

As a professional provider of CNC Turning Services, we offer comprehensive customization solutions tailored to your specific needs. Whether you require adjustments in dimensions, material substitution, or modifications to surface treatment processes, we can accommodate all requirements seamlessly. Our versatile turning services are designed to meet diverse industrial demands—delivering end-to-end support from concept design to final delivery. Experience a one-stop solution for high-precision, reliable, and cost-effective CNC machined parts.