Description

Collet chuck type ER, ISO 7388-1 (DIN 69871), Form AD/B, SK 40, balancing quality G2.5 22000 min-1 Design: Made of alloy case-hardened steel, with a core tensile strength of approx. 950 N/mm² and a hardness depth of min. 0.5 mm. Taper according to DIN 254. All functional surfaces precision-machined and guaranteed quality due to double 100% control. Taper angle tolerance: AT3 Taper surface roughness: Ra < 0.001 mm Hardened: 60 –2 HRC Application: For clamping tools with cylindrical shank in collets to ISO 15488 (previously DIN 6499). Scope of delivery: Collet chuck complete with clamping nut (balanced, with anti-friction coating for increased clamping force). Note: Dimension I2 specifies the maximum insertion depth for tools.

Specifications

~L1	70 mm
Schaft	SK40
DIN	DIN 69871
Spannbereich	2,5 - 26,0 mm
Spannzange	ER40
L2	70 mm
Ø D2	63 mm
L1	70 mm

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