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Main image of CAT40 Collet Holder ER 16/32 Collet Set, 35 PCs, SLN FMB ER16/32 APU Tool Holders Spring Steel Collet Chucks with 10 Pull Studs and 3 Wrenches, for Milling Machine Drill Presses Boring Machine

Alt view image 2 of 14 - CAT40 Collet Holder ER 16/32 Collet Set, 35 PCs, SLN FMB ER16/32 APU Tool Holders Spring Steel Collet Chucks with 10 Pull Studs and 3 Wrenches, for Milling Machine Drill Presses Boring Machine

Alt view image 3 of 14 - CAT40 Collet Holder ER 16/32 Collet Set, 35 PCs, SLN FMB ER16/32 APU Tool Holders Spring Steel Collet Chucks with 10 Pull Studs and 3 Wrenches, for Milling Machine Drill Presses Boring Machine

Alt view image 4 of 14 - CAT40 Collet Holder ER 16/32 Collet Set, 35 PCs, SLN FMB ER16/32 APU Tool Holders Spring Steel Collet Chucks with 10 Pull Studs and 3 Wrenches, for Milling Machine Drill Presses Boring Machine

Alt view image 5 of 14 - CAT40 Collet Holder ER 16/32 Collet Set, 35 PCs, SLN FMB ER16/32 APU Tool Holders Spring Steel Collet Chucks with 10 Pull Studs and 3 Wrenches, for Milling Machine Drill Presses Boring Machine

Alt view image 6 of 14 - CAT40 Collet Holder ER 16/32 Collet Set, 35 PCs, SLN FMB ER16/32 APU Tool Holders Spring Steel Collet Chucks with 10 Pull Studs and 3 Wrenches, for Milling Machine Drill Presses Boring Machine

Alt view image 7 of 14 - CAT40 Collet Holder ER 16/32 Collet Set, 35 PCs, SLN FMB ER16/32 APU Tool Holders Spring Steel Collet Chucks with 10 Pull Studs and 3 Wrenches, for Milling Machine Drill Presses Boring Machine

Alt view image 8 of 14 - CAT40 Collet Holder ER 16/32 Collet Set, 35 PCs, SLN FMB ER16/32 APU Tool Holders Spring Steel Collet Chucks with 10 Pull Studs and 3 Wrenches, for Milling Machine Drill Presses Boring Machine

Alt view image 9 of 14 - CAT40 Collet Holder ER 16/32 Collet Set, 35 PCs, SLN FMB ER16/32 APU Tool Holders Spring Steel Collet Chucks with 10 Pull Studs and 3 Wrenches, for Milling Machine Drill Presses Boring Machine

Alt view image 10 of 14 - CAT40 Collet Holder ER 16/32 Collet Set, 35 PCs, SLN FMB ER16/32 APU Tool Holders Spring Steel Collet Chucks with 10 Pull Studs and 3 Wrenches, for Milling Machine Drill Presses Boring Machine

Alt view image 11 of 14 - CAT40 Collet Holder ER 16/32 Collet Set, 35 PCs, SLN FMB ER16/32 APU Tool Holders Spring Steel Collet Chucks with 10 Pull Studs and 3 Wrenches, for Milling Machine Drill Presses Boring Machine

Alt view image 12 of 14 - CAT40 Collet Holder ER 16/32 Collet Set, 35 PCs, SLN FMB ER16/32 APU Tool Holders Spring Steel Collet Chucks with 10 Pull Studs and 3 Wrenches, for Milling Machine Drill Presses Boring Machine

Alt view image 13 of 14 - CAT40 Collet Holder ER 16/32 Collet Set, 35 PCs, SLN FMB ER16/32 APU Tool Holders Spring Steel Collet Chucks with 10 Pull Studs and 3 Wrenches, for Milling Machine Drill Presses Boring Machine

Alt view image 14 of 14 - CAT40 Collet Holder ER 16/32 Collet Set, 35 PCs, SLN FMB ER16/32 APU Tool Holders Spring Steel Collet Chucks with 10 Pull Studs and 3 Wrenches, for Milling Machine Drill Presses Boring Machine

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CAT40 Collet Holder ER 16/32 Collet Set, 35 PCs, SLN FMB ER16/32 APU Tool Holders Spring Steel Collet Chucks with 10 Pull Studs and 3 Wrenches, for Milling Machine Drill Presses Boring Machine

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Spring Steel Design: Elevate your machining with our high-performance CAT40 collet holder and ER spring collet chucks, offering exceptional balance and a long service life. Includes 6 x CAT40 SLN collet holders with sizes: 1/4", 3/8", 1/2", 5/8", 3/4", 1"; ER32 and ER16 dynamic balance collet holders have a prominent length of 2.76''; APU collet holder with an extension length of 13 mm and a 1"-2.06" FMB collet holder.
Precision Perfected: Our CAT40 spring collet chucks boast a 0.0006" / 15 m TIR, ensuring maximum precision. They are hardened and ground to perfection, ensuring outstanding concentricity. The high-speed collet chucks are balanced to meet all industrial standards, providing stable performance, and are widely used in aerospace, automotive manufacturing, medical equipment, electronics, and various industries

Overview

Specs

Reviews

Specifications

Item Model Number: CAT4035
Quantity: 35 pieces
Type: CAT40
CAT40-SLN Collet Holder TIR: 0.0004 in/10 m
CAT40-FMB Collet Holder TIR: 0.0002 in/5 m
CAT40-APU Collet Holder TIR: 0.005 in/130 m
CAT40-ER Collet Holder TIR: 0.0002 in/5 m
ER Collet Chuck TIR: 0.0006 in/15 m
Dynamic Balance: G 2.5 /25000RPM
Collet Holder Hardness: HRC48-52
Material: 40Cr & 45# Alloy Steel
Net Weight: 41 lbs/ 18.6 kg ±3%

Package Content
6 x SLN Collet Holders
1 x FMB Collet Holder
1 x ER16/32 Collet Holder
1 x APU Collet Holder
12 x ER32 Collet Chucks
10 x ER16 Collet Chucks
1 x ER32 Wrench
1 x ER16A Wrench
1 x APU13 Wrench
10 x Pull Studs
1 x User Manual

Additional Information
First Listed on Newegg	December 26, 2025

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Return for refund within: 30 days
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Item#: 9SIC2RXKR34089