Draft Revision ASME B18.6.3 2002

Our company is mainly engaged in machinery facility, industrial equipment, and universal hardware, with abundant categories, more than one thousand sorts.

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various types of screws

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Our main products are carbon steel screws with a diameter range from 2.9mm to 8mm and a length range from 2.5mm to 150mm. Various head shapes and tail shapes are available.

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Gem-Year are producing all kinds of high quality products such as bolts, nuts, screws, drawn wire and other off-standard fasteners, which are according to GB, ANSI, DIN, UNI,JIS and ISO standards with yearly production output of 200,000 metric tons.

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Stainless Steel Screw, Chipboard Screw, Wood Screws, Machine Screw, Self-Tapping Screw, Self-Drilling Screw, Drywall Screw

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we mainly produce the standard of national, German, Japan ,America fastener,auto fittings, electrical fittings, bulldozer screw, crane screw,harbor machine screw, crusher screw, mechanical engineering screw, including T type screw, rectangle head, double head, sole screw, drawing bar screw, hexagonal socket, outer six angle and all kinds of non-standard high strength such as 8.8degree,10.9degree,12.9degree and screw cap. We also produce hydraulic pressure pipefitting, pipe tie-in,pipe cap,pipe casting,hose assembly and so on. Standard and non standard parts series: Outrer hexagonal Screw Various Screw cap Non-Standard screw Inner hexagonal T model screw screw Non-Standard sguare toes Non-Standard hexagonal Non-Standard double head Crushing machine screw Pin Axle hub Hydraulie pressure pipe pcs: Flange,Metric,American,Integral fittings,Ferrules----Hydraulie pressure pipe pcs Vitta assembly: Vitta assembly Compression tube Steel wire enlace pipe High pressure pipe Tube assembly Pipe

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SELF-DRILLING SCREWS ,DRYWALL SCREWS,CHIPBOARD SCREWS,SELF-TAPPING SCREW (DIN7504, DIN7505, DIN7981, DIN7982, DIN7983, etc.)

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self-drilling screws,self-tapping screws,wood screws,drywall screws,chipboard screws,non-standard fasteners,machine screws,roofing screws,concrete screws

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Hex bolts Carriage bolts Hex lag bolts Hex nuts Threaded rods Washers B7 THREADED ROD HEX BOLT L7 THREADED ROD F436 2H HEAVY HEX NUTS

country:China Tel:

Specialized in manufacturing flange screws, GB819, GB818, GB818-85, truss head screws, column head hex socket screws, plain head hex socket screws, countersunk hex socket screws, half-circle hex socket screws, extension screws and non-standard screws. The standards include ANSI, DIN, BS and JIS.

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