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

price:USD$55.00
discount 70% in 2018-09-24 to 2018-09-26
price: USD$ 38.50
freight :USD$18.00,(Express)
freight :USD$7.00,(Postal parcel)
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Universal grinding machine with chuck

 

Commonly used specifications are: 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 materials

Holding part hardness: HRC55-60

Hardness of elastic zone: HRC40-45

Collet length: 122mm

Collet end diameter: 28mm

Tail thread size: M20

Tail thread length: 29mm

Polished rod diameter: 20mm