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12.9 stage cylindrical cup with six corners screw M12*210X220X230X240x250x260X270-300

discount 70% in 2018-09-25 to 2018-09-27
price: USD$ 25.90
freight :USD$18.00,(Express)
freight :USD$7.00,(Postal parcel)
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Name: DIN912 metric alloy steel grade 12.9 inner six corner screw (cup head)

Tooth pitch: metric thread *1.75

Material: 12.9 grade alloy steel

Surface treatment: black in oxidation

Head treatment: anti slip knurling

Head thickness: 12mm

Head diameter: 18mm

The inner six corner wrench: 10mm

Specifications: for example

For example: the inner six corners screw M12 x 200 (finger thread diameter 12mm x screw length 200mm) does not include the length of the screw head

All the specifications of this screw are half teeth

Half screw The length of teeth was 36mm

The picture is for reference only