Keyboard: + zoom in, - zoom out, 0 reset
ER Collet Nuts
SECURE TOOL CLAMPING
Essential component for ER collet systems
High-precision ER collet nuts for secure tool clamping in various ER systems. The nut threads onto the holder and compresses the collet to grip the tool shank securely.
NUT TYPES AVAILABLE
Standard ER Nuts (Type A)
Most common, works with all standard ER collets
Mini Nut / Slim Nut (Type UM)
Compact design for tight spaces
Balanced Nut
For high-speed applications
Coolant-Through Nut
For internal coolant delivery
Important: Always match the ER nut size with your collet size (e.g., ER32 nut for ER32 collets). Using the wrong size will result in poor clamping or damage.
Compatible ER Collet Accessories
Specifications
Material & Construction
Material: High-grade steel with precision-ground threads. Thread accuracy: 6H tolerance class ensuring proper fit with ER collet holders. Designed for high-speed rotation and reliable clamping force.
Technical Information
Available in 6 different nut types to accommodate various machine spindle configurations and space requirements: • ER-A: Standard type nuts for general applications • ER-UM: Ultra-Mini nuts for compact tool holders • ER-M: Mini profile nuts for reduced clearance requirements • ER-MS: Mini-Slim nuts combining compact design with standard performance • GER: Extended nuts for special applications requiring additional length • GSK: Special application nuts with unique dimensional characteristics All nuts feature precision-ground threads and balanced construction for smooth operation at high RPM. Compatible with standard ER spring collets.
ER Nuts
Select Specifications
φ(d)=Cutting Diameter | R=Radius | D=Shank Diameter | I=Cutting Length | L=Overall Length | All in mm
D=Diameter | L1, L2, L3=Length Dimensions | L=Overall Length | D1=Shank Diameter | All in mm
Select blade width, groove depth (T), and working radius range to find the right Face Groove tool
Select boring diameter range, shank diameter (D), and insert type (C=diamond/T=triangular) to find the right boring head
Select CBA model (complete boring range) and internal boring range to find the right micro finish boring head
Select LBK model (matches your CBA boring head) and extension length to find the right extension rod
Select BT type (spindle taper), LBK number (locking block socket), CBA head model, and projection length (L1) to find the right boring head shank
How to Choose the Right Holder
- Shank Height (H): Choose based on your machine's tool holder/turret slot size
- Tool Height (H3): Must match the H dimension of your SPB Tool (26mm or 32mm)
Example: If you have SPB26-3 tool (H=26mm), select H3=26mm
Must match your SPB Tool's H dimension
HRC≤56 is recommended for best price/performance ratio with newest nano-black coating technology.
No variants match the selected filters.
Try adjusting your filter selections.
No variants match the selected filters.
Try adjusting your filter selections.
SKU / Article Number
Price per piece
€
€
30% Discounted price
D (Diameter)
L1
L2
L3
L (Overall)
D1
Insert Code
Insert Count
h
b
H
F
L
L1
f
Insert
Blade Width
Blade Height
Groove Depth
Orientation
Working Radius Range
Compatible Inserts
φ(d)
R
D
I
L
Morse #
H7 Tolerance
Login to Purchase
Sign in to see prices, stock availability, and add items to your cart.
Please select specifications above to see details
Last viewed products