Our common materials include 42CrMo(4140Steel), 38CrMoAlA(1.8509), 31CrMoV9(1.8519), 34CrAlNi7(1.8550), 40Cr, 45Steel, SS304, SS316, SKD11, SKD61, DC53. Other materials are possible, please contact us for further details. Surface treatment include: quenching & tempering, nitriding, chrome-plating, ......
Read MoreUsually we’re able to make an offer within 1 working day if everything is clear. Screw barrels are almost 100% customized, drawings are very necessary. Besides this, materials and surface treatment information is also important. When the drawings are not possible, product photos and major dimensio......
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