ER20 Collet

Product Code: ER20

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Description

ER20 Collet

Specifications
Tolerance: 1mm
Overal Length: 31.5mm
Diameter: 21mm
Standard: DIN6499/ISO15488
8° back taper, 30° front nose taper
Clamping Tolerance: 1mm (ID ? 3mm), 0.5mm (ID < 3mm
Used for drills, taps, mills and reamers, etc.

ER20 Selection Chart
Part No. Nominal Size Tolerance Clamping Range Overall Legth Diameter
ER20-8 8mm 1mm 8-7mm 31.5mm 21mm
ER20-6 6mm 1mm 6-5mm 31.5mm 21mm
ER20-5 5mm 1mm 5-4mm 31.5mm 21mm
ER20-4 4mm 1mm 4-3mm 31.5mm 21mm
ER20-3 3mm 1mm 3-2mm 31.5mm 21mm
ER20-12 12mm 1mm 12-11mm 31.5mm 21mm
ER20-10 10mm 1mm 10-9mm 31.5mm 21mm
ER20-1/4 1/4'' 1mm 0.211 - 0.25'' 31.5mm 21mm
ER20-1/2 1/2'' 1mm 0.461 - 0.5'' 31.5mm 21mm


Dimension
ER Collet Dimension
Assembly Instruction
ER collet assembly instruction
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