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Bimetallic Treatment with Side Pellets Feeding Type Recycling Granulation Screw and Barrel
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Screws › Other Machine & Custom Screws

Bimetallic Treatment with Side Pellets Feeding Type Recycling Granulation Screw and Barrel

Updated 2026-11-04 · Markdown version

Model no. BST250317GR-9

US$3,0601–4 sets US$2,9525–9 sets US$2,60410–19 sets US$336.0020+ sets

MOQ 1 set · Final price confirmed in your quote

Standard
DIN, ASTM, GOST, GB, JIS, ANSI, BS
Material
Iron
Main Material
Tool Steel, Structural & Engineering Steel
Surface Treatment
Nitridation, Vacuum Quenching, Chrome-Plated
Suitable Raw Materials
PP, PE, ABS, Pet, PC,PVC,PA, PMMA and So on
Quenching Hardness
HRC58-62
Surface Roughness
Ra 0.4
Nitridation Hardness
Hv900-1050
Get a quote

Specifications are as listed for this product. Engineering Hardware & Fasteners confirms ratings, mating parts, compatibility, packing and lead time with you before you order.

Specifications

After-sales ServiceProvided
Warranty12 Months
StandardDIN, ASTM, GOST, GB, JIS, ANSI, BS
Model NO.BST250317GR-9
TechnicsMilling
FeatureNew
MaterialIron
ProductGranulation Screw Barrel
Structure CharacteristicsSingle or Twin Screw Barrel
Main MaterialTool Steel, Structural & Engineering Steel
Base Steel38crmoala, SKD61,40cr,42CrMo,Gh113,Steel 45,1.8550
Surface TreatmentNitridation, Vacuum Quenching, Chrome-Plated
Nitridation Depth0.5-0.9mm
HS Code for Export847790
Suitable Raw MaterialsPP, PE, ABS, Pet, PC,PVC,PA, PMMA and So on
Key Selling PointsLong Operating Life
Chrome Thickness0.05-0.18mm
Quenching HardnessHRC58-62
Surface RoughnessRa 0.4
Nitrided BrittlenessLess Than Grade II
Screw Straightness0.015mm/M
Nitridation HardnessHv900-1050
Transport PackageWooden Box with Bubble Film Wrapped
Specificationscrew diameter 120-420mm
OriginZhejiang, China
HS Code847790
Production Capacity180 Sets/Month
Package Size360.00cm * 63.00cm * 61.00cm
Package Gross Weight580.000kg
Includingquenching & tempering, nitridation, chrome-plated, bimetallic coating,tungsten carbide, through hardened.
Accepted Delivery TermsFOB,CFR,CIF,EXW
Accepted Payment CurrencyUSD,EUR,CAD,AUD,HKD,CNY;
Accepted Payment TypeT/T,L/C,MoneyGram,Credit Card,PayPal,Western Union,Cash;
Language SpokenEnglish,Chinese,Spanish,Japanese,Portuguese,Arabic,French,Russian,Korean.
CategoryOther Machine & Custom Screws

Technical parameters

itemGranulation screw barrel/screw and barrel
Place of OriginZhejiang,China
ConditionNew
MaterialPP, PE, PVC,ABS, PET, PA, PC,PMMA
Spare Parts Typescrew and barrel
Video outgoing-inspectionProvided
Warranty12 months
Key Selling PointsLong Operating Life
Local Service LocationEgypt, Canada, Turkey, United Kingdom, United States, Italy, France, Germany, Viet Nam, Philippines, Peru, Saudi Arabia, Indonesia, Mexico, Russia, Spain, Thailand, Japan, Malaysia, Australia, Morocco, Argentina, South Korea, Chile, UAE, Colombia, Romania
After Warranty ServiceVideo technical support, Online support, Spare parts, Field maintenance and repair service
Applicable IndustriesHotels, Garment Shops, Building Material Shops, Manufacturing Plant, Machinery Repair Shops, Food & Beverage Factory, Farms, Restaurant, Home Use, Retail, Food Shop, Printing Shops, Construction works , Energy & Mining, Food & Beverage Shops, Other, Advertising Company
Conventional material38CrMoAIA, SKD61, SACM645, GH113, 42CrMo(AISI4140)
Nitrided HardnessHV900-1050
Nitrided Depth0.5-0.9mm
Quenching HardnessHRC55-62
Nitrided BrittlenessLess than grade II
SURFACE ROUGHNESSRa 0.4
Screw straightness0.015mm/m
Chromium plating layer hardness>=950HV
Chromeplate Thickness0.05-0.18mm
Alloy depth1.5-3.0mm
ItemBimetallic Screw
Alloy TypeNi60Colmonoy 56Colmonoy 83
Alloy ComponentsNi+Cr+Fe+Si (Ni:65, Cr:17, Fe:15, Si:5)Ni+Cr+Si+Fe (Ni: 68, Cr:18, Si:5, Fe:5)Ni+Wc+Cr+C (Ni:40, Wc:34, Cr:20, C:2)
Anti-Wearing Level**********
Anti-Corrosion Level************
Alloy Thickness1.5~3.0mm1.5~3.0mm1.5~3.0mm
HardnessHRC 56~62HRC 50~56HRC 48~52
Applied Glass FiberUnder 20%Under 10%Without GF
Range of Workable LengthAny length as customer required
Based Steel Used38CrMoAlA(1.8509), 34CrAlNi7(1.8550), 31CrMoV9(1.8519)
**** Excellent; *** Very Good; **Good
ItemBimetallic Barrel
Alloy Components/TypeFe+Ni+Cr+B (Fe:65, Ni:14, Cr8, B:3.5)Ni+Cr+Co+BNi+Cr+Co+V+BNi+Wc+Cr+B (Ni:50, Wc:15~35,Cr:6~8, B:2.5~3.2)
Wearing Resistance************
Corrosion Resistance***********
Alloy Thickness1.5-3mm1.5~2mm1.5~2mm1.5~2mm
HardnessHRC 55~62HRC 50~58HRC 55~60HRC 58~65
Temperature Range≤400≤400≤450≤600
Coefficient ThermalRT~250ºC11.0x10-611.0x10-611.5x10-611.0x10-6
Expansion(/ºC)RT~400ºC11.4x10-611.4x10-612.4x10-612x10-6
Range of Workable Length450mm~3000mm
Base Steel Vastly Used40Cr, 42CrMo
**** Excellent; *** Very Good; **Good

Description

Bimetallic Treatment with Side Pellets Feeding Type Recycling Granulation Screw and Barrel is part of our other machine & custom screws range (Screws).

Key details

  • Standard: DIN, ASTM, GOST, GB, JIS, ANSI, BS
  • Material: Iron
  • Surface Treatment: Nitridation, Vacuum Quenching, Chrome-Plated
  • Warranty: 12 Months
  • Technics: Milling
  • Feature: New
  • Product: Granulation Screw Barrel
  • Structure Characteristics: Single or Twin Screw Barrel

Available configurations include standard, material, main material, surface treatment and suitable raw materials. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request.

Ordering through Engineering Hardware & Fasteners

Minimum order is 1 set at US$336.00 – 3,060 per set. Send one inquiry with the part number, quantity and destination, and Engineering Hardware & Fasteners confirms size, thread, material, grade, finish, price, lead time and shipping, checks the goods before dispatch and ships them to you.

Frequently asked questions

What is the minimum order quantity (MOQ) for Bimetallic Treatment with Side Pellets Feeding Type Recycling Granulation Screw and Barrel?

The listed minimum order is 1 set, at US$336.00 – 3,060 per set. Smaller trial quantities or samples can be requested in your inquiry; Engineering Hardware & Fasteners confirms what is possible for your size.

How does the price change with quantity?

Volume pricing: US$3,060 for 1–4 sets; US$2,952 for 5–9 sets; US$2,604 for 10–19 sets; US$336.00 for 20+ sets. Final prices depend on size, material, finish and packing and are confirmed in your quote.

What are the main specifications of Bimetallic Treatment with Side Pellets Feeding Type Recycling Granulation Screw and Barrel?

Standard: DIN, ASTM, GOST, GB, JIS, ANSI, BS; Material: Iron; Surface Treatment: Nitridation, Vacuum Quenching, Chrome-Plated; Warranty: 12 Months; Technics: Milling; Feature: New. The full specification table and any technical parameter tables are listed on this page.

Can this product be customized (OEM)?

Listed configurations include standard, material, main material, surface treatment and suitable raw materials. Size, thread, length, material and grade, surface finish, head marking, packaging and labels can be quoted to your specification or drawing.

What is the lead time and how is it shipped?

Lead time depends on quantity and customization and is confirmed in your quote. Engineering Hardware & Fasteners checks the goods before dispatch and ships by express, air or sea; mixed orders can be consolidated in one shipment.

Which other other machine & custom screws are available?

The Other Machine & Custom Screws category lists 14,058 products in different sizes, materials and finishes: https://engineeringhardware.com/fastener-products/screws/other-machine-custom-screws/

How we work

Specified, checked and shipped by Engineering Hardware & Fasteners

Engineering Hardware & Fasteners supplies bolts, screws, nuts, washers, anchors, rivets and fastening hardware to equipment makers, contractors, distributors and maintenance teams. Orders go through one controlled process: size, thread, material, grade and finish confirmed, samples approved, dimensions, thread fit and plating checked before packing, then packed for export — standard or made to drawing.

  • DIN, ISO, ASTM, ANSI, JIS and GB standard parts
  • Non-standard parts made to your drawing
  • Dimensions, thread gauges and plating checked before packing
  • Export cartons and pallets, consolidated mixed orders
  • Samples available for approval before mass production
Production floor
Production floor
Inspection bench
Inspection bench
Sorting & packing
Sorting & packing
Parts warehouse
Parts warehouse
Sample review
Sample review
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US$336.00 – 3,060MOQ 1 setGet a quote