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Shanghai collet 3-16mm grinder jacket Daotao elastic collet winded mouth pipe high precision chuck

discount 70% in 2018-09-23 to 2018-09-25
price: USD$ 42.00
freight :USD$18.00,(Express)
freight :USD$7.00,(Postal parcel)
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Universal grinding machine collocation chuck


Common specifications: 3, 1/8 (3.175), 4, 5, 6, 8, 10, 12, 14, 16 etc..

Universal grinding machine grinder / collet chuck

Collet material: 65Mn (65 Mn, perfectElastic material)

The clamping part hardness: HRC55-60

Elastic zone hardness: HRC40-45

Collet length: 122mm

Collet end diameter: 28mm

The thread size: M20

Screw length: 29mm

Rod diameter: 20mm