Giới thiệu Thước Đo Ren Xoắn 55 Độ Bằng Thép Không Gỉ Phích Cắm Chỉ [Hot
features:
100% quality, brand new.
Narrow leaf design for external and internal threads - even in small holes
The locking device securely locks the leaves in place for use
One 55 degree Whitworth inch thread pitch gauge
New Whitworth screw 55 degree pitch gauge 20 blade size range 4-48 threads per inch
standard:
fifty-five degree:4 , 4.5,5,6,7,8,9,10,11,12,14,16,18,19,20,24,28,32,48 metric screws
The package includes:
1 x 55 degree thread gauge
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