L-shaped wrenchT-shaped, wrenchDriver-shapedSpecial alloy steelTONE Master Tool hex key wrench is made from the first-class alloy steel which is really good at torsional strength and wear resistance. After the heat treatment and hard chrome plating, special processing was given to wrenches.Abrasion resistance UPHard Chrome PlatingHigh torqueWear resistance UPSpecial alloy steelToughness and high torque are achieved.Toughness and high torque are achieved.Toughness and high torque are achieved.The alloy performance was improved by mixing various alloy elements and perform-ing thermo-treatment. High torsional strength and toughness was achieved.Wear resistance UPWear resistance UPWear resistance UPBy setting the most suitable heat treatment condition, the hardness was 15 % up for the maximum. Hex key wrench becomes more wear-resistant and the bolt becomes more difcult to hurt.HighTorqueLowAL type comparative valuefor the Max.HighHardLowHardness rangeHardness rangeConventional productsWearCorner wears out as using and the hexagon hole is easy to wear out.Hardened and tempered for added strength so the hexagon hole becomes hard to wear out.Conventional productsHex Key Wrench L-type & Ball End Hex Key Wrench L-type Smooth operating and powerful tightening.For "Across Flat Width & Bolt Diameter", please turn to P490. P.288P.289P.290P.292P.294P.294P.295P.296P.302P.298P.299P.297P.289P.291P.293P.295P.297P.301P.300P.301P.303P.30317141210865432.521.51.270.890.71192224273236ALASBLBL-SBSBS-SAPLBPLBPDGHWGBHWHKALBTHTBLBBLB-SBSB-SBPLBModelsType Metric SizeFunctionPageAcross at width (mm)ModelsTypeFunctionPageAcross at width (mm)ModelsTypeFunctionPageAcross at width (inch)Imperial SizeBall point type287
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