Product: 1/4 Inch Shank Router Collet Extension Chuck Holder Adapter Convert 1/2-Inch & 1/4-Inch Shank Bits with ER20 Spring Collet 6.35mm 12.7mm and ER20 M Type Collet Chuck Wrench Spanner (Pack of 4)
Specifications:
 Material: Durable steel
 Shank Diameter: 1/4 Inch/ 6.35mm
 Hold Diameter: 1/4 Inch / 6.35mm
 ER20 Spring Collet: 6.35mm/ 1/4 inch
 ER20 Spring Collet: 12.7mm/ 1/2 inch
 Wrench Spanner: ER20 M Type; High Carbon Steel; Anti-slip handle Design

 Package Included:
 1 * Router Collet Extension
 1 * 1/2 inch ER20
 1 * 1/4 inch ER20
 1 * ER20 M Type Collet Chuck Wrench Spanner

 Accept Shank Size: 1/4" & 1/2" Shank
 Extend Length: 2-1/4 inch
 For CNC Engraving Machine & Milling Lathe Tool Holder.

 Features:
 1. High precision, stable performance. Extend your bowl router bit to provide the full depth of cut.
 2. This chuck collet is made of industry grade material, with high precision, sturdiness and durability, and long service life.
 3. Collet wrench anti-slip handle design for manipulating ease.
 4. Widely application combination set, it will improve your work efficiency.
1/4"(6.35mm), Accept Shank Size: 1/4" and 1/2" Shank, Extend Length: 2-1/4’’. Suitable for woodworking trimming, milling, cnc engraving machine and milling lathe tool holder. This router collet extension chuck accepts both 1/4" and 1/2" shank router bits for converting and extending.
Eliminate the dangerous temptation of withdrawing the shank from the collet, extend the bit to provide the full depth of cut. Easy to Use, firstly put the router collet into the 1/4-inch shank extension, then place the cutter head in the extension collet chuck and tighten it with a router wrench.
2 In 1 Fuction- This router collet extension chuck accepts both 1/4" and 1/2" shank router bits for converting and extending. Widely used, boring, milling, drilling, silk attack, sculpture, CNC, and other processing, ideal for your woodworking.
Made of high quality material, durable and practical to use - Converter Adapter and ER20 Spring Collet Made of durable steel; ER20 M Type Collet Chuck Wrench Spanner Made of High Carbon Steel, Anti-slip handle Design, for ER20 M Lathe Clamping Nut.
Package includes: 1 * 1/4 inch Router Collet Extender Holder, 2 * Chuck(6.35mm/ 1/4 inch; 12.7mm/ 1/2 inch), 1* ER20 M Type Wrench Spanner. Extend your router bit to provide the full depth of cut. Perfect choice of professionals and hobbyists, Provides much convenience to your daily woodworking.

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