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source:Industry News release time:2022-06-21 Article author:yu Popular:Air band saw
The regular specifications of the adjustable wrench are: 4", 6", 8", 10", 12", 15", 18", 24"; the adjustable wrench is generally made of CR-V steel (CR-V, steel is added with chromium vanadium Alloy tool steel with alloy elements, the hardness after heat treatment is above 60HRC (Rockwell hardness)), carbon steel, chrome vanadium steel and other materials.
The adjustable wrench is divided into 9 specifications according to the total length of the wrench (mm): 100, 150, 200, 250, 300, 375, 450, 600, 650, etc. The size of the optimal opening can be divided by 10 according to the above specifications .
Commonly used are: 150mm × 19mm (6'), 200mm × 24mm (8'), 250mm × 30mm (10'), 300mm × 36mm (12'), etc.
The adjustable wrench is composed of a head and a handle, and the head is composed of a movable plate lip, a rigid lip, a plate mouth, a turbine and a shaft pin.
Allen wrench (hexagon socket) (GB5356-85)--nominal size (side-to-side size): 2.5~36
Slotted screwdriver (slotted screwdriver) (QB/T 2564.4-2012)--Specification (length of rod without handle × diameter of rod): 50×3~350×9
Cross-shaped screwdriver (Phillips screwdriver) (QB/T 2564.4-2012)--Specifications (length of rod without handle × diameter of rod): 50×4~400×9
Adjustable wrench (GB/T 4440-2008)--Specification (length×maximum opening width): 100×13~600×65
Double-ended wrench (double-ended wrench) (GB/T 4388-2008)--Specification (matching of opposite side dimensions): 3.2×4~75×80
Torx wrench (GB/T 4388-2008)--Specification (width across flats): 5.5~36
Socket wrench (with swing) (GB3390.2-82)--Specification (width across flats): 6.3~63
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