The opening width is adjustable. It is used to assemble and disassemble square or hexagonal nuts and bolts.
Stamp forged product, plastic. Forged with real material. Advantages of forging: high density, good toughness, smooth surface, clear writing, uneasy bending, uneasy rapture, even hardness and longer service life than traditional forging process.
1. Total length: 100-600mm;
2. Material: beryllium bronze alloy;
3. Maximum opening width: 13-65mm;
4. Total weight: 30-4301g.
Performance detection standard for aluminum bronze explosion-proof tools:
1. No gas explosion in the drop hammer test for 20 times in (7.8±0.5)% ethylene or no gas explosion after 5 rotating friction tests within 1s in (7.8±0.5)% ethylene;
2. Standard code: GBExIIB;
3. Hardness: HRC20-30;
4. Tensile strength: δb75-85kgf/mm².