special long 304 stainless steel screw M6X50 We can produce the overlength screws --bolts and nuts of in stainless steel or carbon steel. stainless steel have kind material 304 and 316 ,440 etc. Also can produce the special type screws as per clients enquiry ,if the customers send us the drawings or detail technical information .well give the best price and services. special long 304 stainless steel screw M6X50
Model#ZY9135 Description Round washers for friction grip bolts Property Classed: OL 45 Dimension12/31 Standard DIN: 6916 SR ISO: N/A STAS: 8796/3 UNI: N/A We supplied: Fasteners, Bolts &Nuts, Threaded studs, Washers, Screws, Anchor fasteners, Self Clinching fasteners, Special fasteners, Turned components, Self-drilling tapping screw and etc. Be applied to Auto industry, Electronic industry, Automobile industry, Switchgear Industry and various other industries.
The conical twin barrel for extruder in many specifications. The conical twin barrel's Abrasion resistant and corrosion resistant Material:1)High quality 38CrMoAlA 2)9Cr18MoV Technics:1)Heat-treatment 2)Nitriding treatment 3)Bimetallic-alloy coating spraying Technical parameter Nitriding depth:0.50-0.80mm Nitriding hardness:900-1000HV Nitriding brittleness:Less tha grade 1 Surface roughness:Ra0.4 Linearity of the screw:0.015mm Hardness of the chromium plating after nitriding :more than 950HV Chrome plating thickness:0.025-0.085 The conical twin-screw/barrel extruder in many specifictions
Single screw and barrel are used in extrusion process. Product with carefully choosing the design (barrier, maddock, spiral). Single Screw and Barrel Ranges: Screw Diameter: 15mm -300mm Screw Length: L/D ratio 15 - 46 Single Screw and Barrel Technical Specifications: Steel Material DIN 41CrA1Mo7 / AST M4140 / GB 38CrMoAlA Heat Treatment Nitride depth: 0.5 mm - 0.7 mm Surface hardness: HV900 - HV1,000 Chromate plating: Thickness 0.05 mm - 0.10 mm, hardness HV950 Special treatment: Carbide coating on screw flight and bimetallic barrel Screw straight tolerance 0.015 mm/m Surface roughness Ra 0.4μm single screw Material: 38CrMoAl A Nitriding treatment Surface hardness: Hv more than 900 Nitriding depth: 0.5-0.8mm
removable bolt nut: 1) Main equipment used: automatic precision lathe, CNC lathe, punching machines; 2) All goods are strictly monitored and inspected from production to delivery; 3) We supply special screws, bolts, pins, insert nuts, rivets, studs, hexagon standoffs etc; 4) Used in many industries, especially in electronic, computer, automobile, machinery,medical instrument and sport equipment; 5) Packing according to the customer's request; 6) Give the best possible price to you. Our company can produce various automatic lathe parts according to clients' engineering drawing or samples from M2.5 to M20.
Material: Titanium alloy Size: MM diameterlength5.0 35.0 5.5 35.0 40.0 6.0 40.0 45.0 6.5 40.0 45.0 50.0 in high quality,the design old angled rod can guarantee the strength,can rectify,the special nut can tight the connection
Model#ZY9136 Description Hexagon socket cap screws Property Classed: 8.8;10.9;12.9 Dimension Thread M:4/30 Length L8/400 Standard DIN: 912 SR ISO: 4762 STAS: 5144 UNI: 5931 We supplied: Fasteners, Bolts &Nuts, Threaded studs, Washers, Screws, Anchor fasteners, Self Clinching fasteners, Special fasteners, Turned components, Self-drilling tapping screw and etc. Be applied to Auto industry, Electronic industry, Automobile industry, Switchgear Industry and various other industries.
Special screws to make artificial marble in many specifications. Abrasion resistant and corrosion resistant Material:High quality alloy steel 1)38CrMoAlA 2)42CrMo Technics:1)Heat-treatment 2)Nitriding treatment 3)Vacuum quenching Special screws in high quality to make artificial marble in full specifactions
Single screw and barrel are used in extrusion process. Product with carefully choosing the design (barrier, maddock, spiral). Single Screw and Barrel Ranges: Screw Diameter: 15mm -300mm Screw Length: L/D ratio 15 - 46 Single Screw and Barrel Technical Specifications: Steel Material DIN 41CrA1Mo7 / AST M4140 / GB 38CrMoAlA Heat Treatment Nitride depth: 0.5 mm - 0.7 mm Surface hardness: HV900 - HV1,000 Chromate plating: Thickness 0.05 mm - 0.10 mm, hardness HV950 Special treatment: Carbide coating on screw flight and bimetallic barrel Screw straight tolerance 0.015 mm/m Surface roughness Ra 0.4μm single screw Material: 38CrMoAl A Nitriding treatment Surface hardness: Hv more than 900 Nitriding depth: 0.5-0.8mm
The barrel and scerw can be designed different structure according to the different product and market requests. Specifications of conical twin-screw and barrel: 45/90, 45/97, 50/103, 55/110, 60/120,65/125, 65/132, 68/146, 80/156, 80/172, 92/188. Technical standard: Material: 38CrMoALA Hardness of Modulator: HB260-290 Hardness of Nitrification: 930-970HV Depth of Nitrification layer: 0.4-0.7mm Double-alloy technical standard: Double-alloy level: Level A - containing Tungsten of 40% Level B - containing tungsten of 25% Level C - containing tungsten of 9.5% Hardness of alloy: HRC56-65° Applied scope of plastic: applied for all kinds of appended fiberglass, plastic and PPA, PPO, PPS, LCP, magnetism powder and PC special engineering plasticComponents of alloy powderDepth of alloy layer: 1.2 mm-2.0 mm Hardness of alloy: HRC 65° conical twin screw