screw and barrel for rubber extruder

High precision steel shaft/splined shaft for connecting/coupling shafts 1) Customer’s drawing or samples accepted. 2) Excellent and high quality control. 3) Prompt delivery. 4) Competitive price. steel shafts 1) Material: Carbon steel , Stainless steel,brass or as per customer’s requirements. 2) Diameter: 0.3-80mm, tolerance:+/-0.005mm. 3) Roundness: 0.003mm. 4) Roughness: Ra0.04. 5) Straightness: 0.005mm. 6) Hardness: HRC/HV. 7) Precision: Grade 6. 8) Length: Max.700mm. 9) Heat treatment:Point hardening,quenching hardening. 10) Surface treatment: zinc plating, nigrescence,chrome plating, nickel plating etc. 11) OEM Service: Providing us the drawing with detail information. 12) Offering products with speciality, quality and efficiency. 13)Package:Plastic bag inside and outer standard carton , pallet.

Technical : Aluminium Hot Forging + Precision Machining Product Name : Aluminum Fastener Main Use : Auto Parts 　Technical parameter Technical Aluminum Hot Forging Fastener + Precision Machining Material: Al-6061 T6 Al-6063 Material Standard GB,ASTM,AISI,DIN,BS,JIS,NF Forging Weight 0.3kg~5kg Forging Dimension Tolerancez: CT8-10Grade Forging Surface Rough: Ra6.4 – 3.2 Rough of Machining Surface：Ra0.8-1.6 Support File of Format： ProE (.igs , .stp) , Auto CAD , PDF, Jpeg, Jpg, Png Heat Treatment: Quenching and Tempering , High Frequency Quenching Machining Equipment CNC Center,CNCs, Drilling Machine. Surface Finished Hard Anodizing Measure Tool: Micrometer, Caliper, Height Gauge,Screw Gauge Inspection First Checking , Checking , Final Checking QC Report:Material Report, Product Ddimension Inspection Report. 　　

CNC Metal Shaft Motor shaft, Fan shaft, Precision shaft, Micro Shaft, Rotor shaft, Pump shaft, Pins, Hinge pin, Metal part, Mechanical precision part. Mechanical precision part/Mechanical precision part. 1) Material: Carbon steel, Stainless steel, brass or as per customer’s requirements. 2) Roundness: 0.001mm 3) Roughness: Ra0.04 4) Straightness: 0.001mm 5) Length: Max. 1000mm 6) Heat treatment: Point hardening, quenching hardening 7) Surface treatment: Zinc plating, nigrescence, chrome plating, nickel plating etc. 8) OEM Service: Providing us the drawing with detail information. 9) Offering products with speciality, quality and efficiency. 10) Package: Plastic bag inside and outer standard carton, pallet. According to client’s demand. Specifications for CNC METAL SHAFT

CNC Machining Parts ● Materials for CNC Precision machining parts We can process product materials are: An aluminum alloy series: all aluminum and aluminum alloy (ASTM Grade from1050-7475), commonly used are: 2011,5052,6061,7075, etc. (2) Copper Alloy Series: all copper and copper alloy, copper, copper, brass, bronze, phosphor (the ASTM grades from C11000 to C38000), commonly used: C11000, C22000, C26000 (3) Stainless Steel Series: all the basic machining stainless steel, the ASTM grades(JIS grade corresponds to the basic, together with the SUS can):201,301,303,304,314,316,420,430,630 Steel series: all the basic machining steel can be processed, for example: 20 # steel, 45 steel, easy to cut iron (common SUM24L, SUM22, Y12, Y15) ● CNC Precision machining parts accuracy Machining accuracy: IT6 level, such as the 10mm dimensions, tolerances can be done 0.009mm, 20mm size tolerances can be 0.013mm ● Maximum size of Precision parts suit to CNC machining