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Compatible ER Collet Accessories
Specifications
Material & Construction
Material: 65Mn, Hardness: HRC44-48
ER Collets
ER Collets - High-Precision Spring Collet System **THE ESSENTIAL COMPONENT - Grips your cutting tool!** ER collets are spring collets that compress to grip round shank tools. Each collet covers a 1mm range and compresses to fit tools within that range. AVAILABLE SIZES: ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ ┌─────────┬───────────────┬─────────────────────────────────┐ │ ER Size │ Clamping Range│ Available Collet Diameters │ ├─────────┼───────────────┼─────────────────────────────────┤ │ ER8 │ 0.5-5mm │ 0.5-1, 1-2, 2-3, 3-4, 4-5 │ │ ER11 │ 0.5-7mm │ 0.5-1, 1-2, 2-3, 3-4...7mm │ │ ER16 │ 0.5-10mm │ 1mm increments up to 10mm │ │ ER20 │ 0.5-13mm │ 1mm increments up to 13mm │ │ ER25 │ 0.5-16mm │ 1mm increments up to 16mm │ │ ER32 │ 2-20mm │ 1mm increments 2-20mm │ │ ER40 │ 3-26mm │ 1mm increments 3-26mm │ │ ER50 │ 10-34mm │ 1mm increments 10-34mm │ └─────────┴───────────────┴─────────────────────────────────┘ HOW TO SELECT THE RIGHT COLLET: 1. Know your tool shank diameter (e.g., 8mm) 2. Select collet that INCLUDES that size (e.g., 8-9mm collet) 3. The collet compresses 0.5-1mm to grip your tool EXAMPLE: • Tool shank = 8.0mm → Use 8-9mm collet (it compresses to grip 8mm) • Tool shank = 8.5mm → Use 8-9mm collet • Tool shank = 12mm → Use 12-13mm collet HOW TO USE: 1. Insert collet into ER tool holder taper 2. Insert cutting tool into collet 3. Thread on ER nut 4. Tighten with ER spanner (hand tight + 1/4 turn, or 25-35 Nm) ACCURACY: • Runout: <0.01mm (standard), <0.005mm (high precision) • Collapse capacity: 0.5-1.0mm depending on size COMPATIBLE WITH: • BT-ER Tool Holders (BT30, BT40, BT50) • SK-ER Tool Holders (SK30, SK40, SK50) • HSK-A-ER Tool Holders • Side Lock Straight Shank Holders • ER Extension Bars • ER Nuts (matching size) • ER Spanners 121 variants | Price: €2.23 - €22.32
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
HRC≤56 is recommended for best price/performance ratio with newest nano-black coating technology.
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SKU / Article Number
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
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