Series identification
Start with ER11 through ER40 and the required nominal bore.
About KRONTRA
Focused ER collet supply
KRONTRA provides CNC tooling sourcing and international supply from Shandong, China, with a clearly organized ER collet range for industrial buyers.
Our focus
A focused range, clearly organized
KRONTRA focuses its online product range on ER11, ER16, ER20, ER25, ER32 and ER40 collets.
Location: Shandong, China
Business type: CNC tooling sourcing and international supply
International buyers can send an ER series, nominal bore, current model, drawing or product list for sourcing and quotation review.
Product suitability depends on the collet chuck, tool diameter, application and required performance. Technical details are confirmed against the buyer's specific request.
Requirement review
Share tolerance, application, quantity and packaging requests.
Quotation communication
Receive product-specific confirmation for the requested series and bore.
ER collet inquiry
Tell us which ER collet you need
Send the series, bore size and quantity, or attach a current model reference for matching.