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Expansion screw

Factory direct window gecko. Wholesale countersunk head cross internal expansion screws. Customized expansion screws for doors and windows. Expansion screws

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Factory direct window gecko. Wholesale countersunk head cross internal expansion screws. Customized expansion screws for doors and windows. Expansion screws
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Description

Order number

240299903

Brand

Changsheng

Item No.

142089659

Model

M8

Category

Expansion bolt

Head type

Sink head

Thread specification

Multiple specifications

Performance level

4.8

Total length

160 (mm)

Thread tolerance

4h

Material

Carbon steel

Surface treatment

Galvanized

Material grade

Carbon steel 45H

Product grade

Class A

Standard type

National standard