ECSiNG 2 Pieces ER20 ER20A Clamping Nut with Ball Bearing M25X1.5 Precision Tool Holder Clamping Nut for CNC Machining Tool Holder Nut ER20

★★★★★ 4.5 107 reviews

$90.00
Price when purchased online
Free shipping Free 30-day returns

Sold and shipped by soukofjewels.com
We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here.
$90.00
Price when purchased online
Free shipping Free 30-day returns

How do you want your item?
You get 30 days free! Choose a plan at checkout.
Shipping
Arrives Apr 18
Free
Pickup
Check nearby
Delivery
Not available

Sold and shipped by soukofjewels.com
Free 30-day returns Details

Product details

Management number 208197452 Release Date 2026/03/22 List Price $36.00 Model Number 208197452
Category

Item Descriptions: - Thread size M25X1.5, outer diameter 34mm, wrench width 29.6mm, height 20mm. -The ER20A ball bearing caliper nut is a precision tool designed for use with ER20 collet chucks in CNC (computerized numerical control) and machining applications. -Ball bearing mechanism minimizes friction between nut and caliper, ensuring smoother tightening, better grip and better tool concentricity. -Compatibility : Compatible with ER20 pliers and spindles, widely used in CNC machines and milling machines. -Application: CNC machining: Used to fix tools such as cutters, drills or other cutters in CNC chucks. Package: 2pcs Ball Bearing Clamping Nut ER20A Item Specifications: Material:Alloy Steel Compatible devices: lathe Thread Size:M25

  • Thread size M25X1.5, outer diameter 34mm, wrench width 29.6mm, height 20mm.
  • ER20A Ball Bearing Collet Nut is a precision tool designed for use with ER20 Collet Chucks in CNC (Computerized Numerical Control) and Machining applications.
  • Ball bearing mechanism minimizes friction between nut and caliper, ensuring smoother tightening, better grip and better tool concentricity.
  • Compatibility : Compatible with ER20 pliers and spindles, widely used in CNC machines and milling machines.
  • Application : CNC Machining : Used to fix tools such as cutters, drills or other cutters in CNC chucks.
Item Weight 4.9 ounces
Part Number 274-BS
Manufacturer ECSiNG
Batteries Required No
Package Dimensions 3.15 x 2.36 x 0.94 inches

Correction of product information

If you notice any omissions or errors in the product information on this page, please use the correction request form below.

Correction Request Form

Customer ratings & reviews

4.5 out of 5
★★★★★
107 ratings | 44 reviews
How item rating is calculated
View all reviews
5 stars
83% (89)
4 stars
4% (4)
3 stars
2% (2)
2 stars
1% (1)
1 star
10% (11)
Sort by

There are currently no written reviews for this product.