Sk16 Low Runout High Speed CNC Milling Er Collet Set Alloy Collet

Overview
Product Description
Packing & Delivery
FAQ

Overview

Basic Info.

Model NO.	collet
Logo Printing	with Logo Printing
Size	S/M/L
Customized	Customized
Type	Cutting Tool
Material	Metal
Certification	ISO 9001:2008
General Parameter	Transport Packaging;UPS/DHL/Specifiable
Color	Blue, Yellow, Red
Brand	Stefor
Model Number	Collet
Transport Package	Customizable
Specification	customizable
Trademark	STEFOR
Origin	China
Production Capacity	5000 Piece/Year

Packaging & Delivery

Package Size20.00cm * 15.00cm * 10.00cm Package Gross Weight2.000kg

Product Description

HighlightsWe offer various types of collet and can also customize productsEngineered with a specialized sealant to prevent coolant leakage, ensuring optimal internal cooling performance.Manufactured with premium steel and advanced heat treatment to maintain a runout precision within 0.005mm/0.008mm.Ensures rigid and secure gripping of the tool under high-speed and heavy-duty CNC machining.Features a fully ground surface and robust hardness, guaranteeing durability and reliable repeatability.Crafted from high-quality spring steel with excellent flexibility, tensile strength, and wear resistance.Excellent damping capabilities absorb vibration during high-speed cutting, improving workpiece surface quality.

Product Description

Our high-precision Spring Collets are engineered to deliver exceptional gripping force, accuracy, and durability in demanding machining environments. Designed as the critical link between your machine spindle and cutting tool, these collets ensure maximum concentricity, minimal runout, and superior surface finishes.Manufactured from premium alloy steel and heat-treated for optimal hardness and resilience, they are the reliable choice for CNC machining centers, lathes, milling machines, and router applications.

Product advantages1.Ultimate Precision & Minimal Runout:Manufactured to exacting international standards (DIN 6499 for ER collets), our collets guarantee extremely low TIR (Total Indicator Runout), typically under 0.01mm. This ensures superior accuracy, extended tool life, and impeccable part quality.2.Exceptional Gripping Strength & Stability:The precision-ground, slotted design provides a powerful, 360-degree uniform grip on the tool shank. This eliminates tool slippage during heavy cuts, high-speed operations, and interrupted machining, ensuring process security.3.Wide Compatibility & Comprehensive Range:We offer a complete selection for all major collet systems, including ER, 5C, R8, DA, TG, and DA. Available in full metric and inch sizes to accommodate virtually all standard tool shanks (e.g., 1/4", 6mm, 3/8", 10mm).4.Premium Material & Construction:Forged from high-grade spring steel (e.g., 16MnCr5) and subjected to rigorous heat treatment, our collets achieve the perfect balance of toughness and elasticity. This provides long service life and resistance to fatigue.5.Optimized for High-Speed Machining:The balanced design minimizes vibration at high RPMs, enabling faster feed rates and better surface finishes while protecting your machine spindle bearings.6.Versatile Application:Suitable for holding a wide array of tools, including end mills, drills, reamers, taps, and routers, in machining centers, lathe turrets, milling machines, and collet chucks.

Application scenariosThis versatile collet is essential for:High-precision CNC milling and turningDrilling, reaming, and tapping operationsHolding end mills, drills, and boring toolsGeneral machining in tool rooms and production workshops

Product Type	Spring Collet / Precision Collet
Hardness	58-62 HRC (Typical, for wear resistance)
Accuracy	≤ 0.01mm - 0.02mm (Varies by grade and system)
Material	Alloy Spring Steel (e.g., 16MnCr5), Heat-Treated

Shanghai Stefor Tech Co., Ltd.Was established in 2014 and headquartered in Shanghai, has built a comprehensive global service network through its Dubai subsidiary and Hong Kong branch, positioning itself as a premier integrated provider of precision machine tool accessories. Guided by a spirit of craftsmanship and a core team boasting over 30 years of technical and international trade expertise, the company specializes in high-performance solutions, including collets, tool holders, and CNC vises. Our products are essential to high-end manufacturing sectors such as 3C electronics, intelligent robotics, automotive components, and aerospace. By leveraging state-of-the-art production and testing equipment from Germany and Japan, Stefor Tech maintains a rigorous quality control system and a resilient supply chain, supported by long-term strategic partnerships with industry leaders like BYD, SAIC, Huawei, and Foxconn. Having exported to over 65 countries and regions, the company has earned worldwide trust through its stringent full-process testing, bespoke technical solutions, and dedicated end-to-end after-sales support. As a government-recognized, financially stable, and compliant enterprise, Stefor Tech remains committed to the principles of professionalism and integrity, cordially inviting global partners to collaborate for mutual growth and shared success in the precision engineering industry.

Packing & Delivery

FAQQ: Could you provide the free samples ?
A: we could offer the samples free and maybe you need to bear the freight cost.
Q: What products do you specialize in?
A: We specialize in precision machine tool accessories, including CNC tool holders (BT/-CAT/HSK), collets (ER/5C/R8), live centers, drill chucks, and related components for milling, tur-ing, and drilling applications.
Q: Do your products meet aerospace or military standards?
A: Yes. Our products are manufactured to international quality standards (ISO, DIN) and arewidely used in aerospace, robotics, defense, and other high-precision industries. Certificationsand material test reports are available upon request.
Q: What shipping methods do you offer?
A: We support express shipping (DHL, FedEx, UPS), air freight, and sea freight. Delivery time andcost will be provided based on your order quantity and destination.
Q: What is your lead time for production?
A: Standard products are typically shipped within 3-7 days. Custom or bulk orders may require2-4 weeks. We will confirm the exact timeline with your order confirmation.
Q: Which trade terms and payment way you accept?
A: There are many ways,FOB,FRC,and EXW act. and we could accept the payment in TT,L/Cand we could negotiate with each other and find the convenient mothed for each other.

Products

Sk16 Low Runout High Speed CNC Milling Er Collet Set Alloy Collet

Basic Info.

Packaging & Delivery

Product Description