Products Description
5/32" (4.0mm) Premium Chainsaw Round File | High-Carbon T12 Steel Sharpening Tool
Professional 8-Inch Abrasive Sharpening Rod with Black Oxide Finish for 3/8" LP and 1/4" Pitch Chainsaw Chains.
Round file 5/32＂4.0mmx8"black
The 4.0mm professional sharpening unit constitutes a high-precision abrasive instrument engineered for the systematic edge restoration of chainsaw cutting teeth. Forged from a high-persistence T12 metallurgical substrate, it facilitates the rapid removal of oxidized metallic layers while maintaining the precise geometric curvature required for optimized fiber severance. The black-passivated chassis is purposely calibrated to provide extreme surface hardness and absolute immunity to atmospheric corrosion, ensuring consistent frictional engagement during high-frequency maintenance cycles in professional forestry and landscaping environments. Technical Data: Diameter 4.0mm (5/32"), overall length 200mm (8"), metallurgical hardness HRC 62-66. Materials: Specialized high-carbon T12 tool steel with an electro-chemical blackening treatment. Certification: Validated for industrial-grade abrasive safety and edge-retention protocols. Ideal for 3/8" Low Profile drive systems, providing a high-durability solution for critical cutter management.
Technical Profiles & Materials
High-Carbon T12 Matrix: The abrasive chassis is forged from premium T12 carbon alloy, featuring a refined carbide distribution that ensures exceptional resistance to mechanical blunting during high-torque strokes.
Precision-Milled Spiral Geometry: Features an optimized single-cut spiral tooth pattern, designed to facilitate rapid chip evacuation and minimize thermal friction during manual edge sharpening.
High-Tolerance Dimensional Logic: Manufactured with a strict micro-honed diameter tolerance (±0.05mm), ensuring a perfect seat in the cutter gullet for consistent raker clearance and sharpening accuracy.
Technical Specifications
| ITEM | DETAILS |
| Type | Chainsaw Round File |
| Application | fits 3/8" Low Profile (LP) / 1/4" |
| Code | 2901153 |
| Material | High-Carbon T12 Tool Steell |
| Diameter Specs | 4.0 mm / 5/32 inch |
| Brand Name | SeaSummer |
| Surface Protocol | Anti-Rust Black Oxide Coating |
| Delivery Time | 30 Days |
| Packaging | Cardboard packaging |
Products Application
Professional Arboreal Edge Restoration
Specifically calibrated for managing 3/8" Low Profile chains used in urban tree surgery. The 4.0mm geometry ensures the maintenance of factory-grade cutting angles, essential for the safety and speed of professional arborists.
High-Cadence Forestry Maintenance
Ideal for commercial felling crews requiring reliable field-ready sharpening tools. Its high-carbon matrix ensures long-term edge integrity even when exposed to abrasive bark and sap-induced residue.
Industrial Workshop Consumable Support
An essential structural maintenance component for tool repair centers and retail shops. The standardized 5/32" specs and black oxide durability provide a high-spec solution for restoring the cutting performance of 25cc-40cc gasoline power saws.
Quality and Craftsmanship Details
Products Package
About Us
As a premier garden machinery parts supplier, Jiaxing Norsun Trading Co., Ltd. bridges global distributors with over 100 vetted China manufacturers. We streamline your B2B supply chain through strict quality control, flexible production, and factory-direct wholesale pricing. Partner with us for reliable, high-volume sourcing of precision-engineered outdoor power equipment components.
Trusted Partnership Power
YOUR PROFESSIONAL ONE-STOP SOURCE
FOR 10000+ OUALITY PARTS
Verified Factory Excellence
BACKED BY 200+ TRUSTED FACTORY PARTNERS
Production process
Quality control
Expo experience
Customer Reviews
FAQ
Q: Are you an impartial industrial components dealer or a direct China water pump factors factory?
A:We are a direct, ISO9001-certified engineering water pump components manufacturing facility and precision fluid-control factor manufacture exporter primarily based in China. We function our personal cleanroom injection molding bays, computerized ultrasonic welding arrays, computerized hydraulic stress check stations, and clean-room packaging lines, passing direct-factory wholesale price financial savings straight to your element procurement margins.
Q: Can your manufacturing unit furnish full certification forms for food-contact or consuming water compliance?
A: Yes, absolutely. For food, beverage, or scientific applications, our manufacturing unit makes use of one hundred percent virgin, un-recycled polypropylene resins accompanied by means of fabric traceability certificates. We mechanically furnish B2B purchasers with complete FDA compliance documentation, NSF-grade compound declarations, and RoHS/REACH chemical protection screening sheets to make certain clean clearance thru worldwide customs.
Q: Do you provide customization picks for distinctly corrosive fluids like sturdy acids or ozone?
A: Yes, we are a thoroughly succesful OEM/ODM supplier. For aggressive chemical or ozone environments, we can improve the 12x26.5mm valve configuration in our factory: substituting the general PP housing with top class PVDF (Fluoropolymer) and changing any steel springs with Hastelloy or whole springless gravity-ball architecture, making sure final chemical resistance.
Q: How do we impervious a pattern batch to execute computerized lifecycle and burst-pressure testing?
A: We relatively inspire complete laboratory contrast earlier than logging mass grant agreements. We can ship a pattern lot of 5-10 gadgets of our inventory 12x26.5mm take a look at valves for assessment (setup costs and DHL/FedEx air freight apply). Once the factors pass by your inner lifecycle verification and a formal wholesale quantity manufacturing contract or container run is locked in, the sampling charges are a hundred percent credited returned to your industrial balance.
Hot Tags: round file 5/32＂4.0mmx8”black, China round file 5/32＂4.0mmx8”black suppliers
