- Brand: sj / Carpenter on
- Model: L perforation wrench
- Color Classification: SJ perforation wrench 18mm SJ perforation wrench 16mm SJ perforation wrench 15mm SJ perforation wrench 17mm SJ perforation wrench 19mm SJ perforation wrench 13mm SJ perforation wrench 14mm SJ perforation wrench 6mm SJ perforation wrench 7mm SJ perforation wrench 8mm SJ perforation wrench 9mm SJ perforation wrench 10mm SJ perforation perforation wrench 12mm wrench 11mm SJ
- Material: chrome vanadium alloy steel
- Standard: Metric
Brand: Carpenter on the name: L type wrench perforation
Specifications: 6mm 7mm 8mm 9mm 10mm 11mm12mm 13mm 14mm15mm 16mm 17mm 18mm 19mm
Series: Auto insurance, Wrenches material: chrome vanadium steel
Maintenance and use of hand tools:
Confucius said: 'We must first of its profits' to perfect processing or assembling complete each task, we must first equip the right tools hardware maintenance not only can not be used, that would reduce the use of metal tools. life, make reasonable use and maintain your tools.
(A) Maintenance of hand tools:
All tools should be checked regularly and maintenance, clean the tool surface stains after each use, in the case of metal on the qualities of the product, please rust oil to prevent rust.
In case of failure or damage should immediately repair the damaged tool is likely to cause injury.
Before using the tool you should know the correct use and range, select the appropriate tools for maintenance work. Tool often used by long-suppressed, still need to maintenance.
Various hand tools must be designed in accordance with the purpose of use, the tool is not installed before the prison prohibited. Never use the tool is damaged or defective.
(B) the principle of the use of hand tools, safety:
① Select the hand tool for the job required. ② to maintain a good tool usage.
③ Select the material good hand tools before actually checking ④ using hand tools.
⑤ correct way to use hand tools. ⑥ hand tools should be placed a safe place.
⑦ Before wear appropriate protective equipment. ⑧ tool selection criteria or requirements tools.