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screwconveyors@austinmacinc.com
Austin Mac, Inc
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(206) 624-7066
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Products

Home Products

Stainless Steel Screws & Conveyors | Washington | USA

Austin Mac’s stainless steel screw conveyor components or systems are perfect for handling jobs in pulp and paper, waste water treatment, food processing, chemical, winery, brewing, and other industries. Our stainless steel screw conveyor systems keep materials moving or mixed regardless of the demands of your material.

Stainless ribbon
mixing screw

Jacketed, insulated,
food grade
stainless screw

Stainless steel mirror
polished screw with
washdown drive

Winery screw with
flight edging

Heavy flighted refiner
screw, duplex alloy

Repulper screw,
stainless steel,
and duplex alloy

Stainless “quick clean”

Small stainless
steel feed screw
for chemical, food, metering, etc.

Abrasion Resistant Screws & Conveyors

Austin Mac’s abrasion resistant screw conveyor systems are perfect for handling abrasive materials in the sand and gravel and paper and pulp industries, as well as in cogeneration plants (fuel and ash). Our abrasion resistant screw conveyors are designed to meet the special demands of handling abrasive materials.

Grit washer screw
for sand and
gravel washing

Boiler feed screw,
water cooled

Screw with
replaceable
500 BHN
wear shoes

Live bottom hopper
with hard faced
screws

Waste to energy
cone screw

Hard faced screw
and pipe

Chromium carbide
clad pipe and
overlayed flights

Chromium carbide
overlay flights

Special Application Screws & Conveyors | Sectional Flights

Austin Mac’s special application screw conveyors, augers and bulk material handling systems are designed to meet the special characteristics of your unique materials. Whether it’s heated/cooled, shaftless or digging augers, Austin Mac can custom design and build the right system for you.

Special application screws

  • Digging augers
  • Auger cast screws
  • Abrasion resistant screws
  • Clad screws
  • Variable pitch screws
  • Variable outside diameter screws
  • Variable inside diameter screws
  • Notched or cut & folded flight screws
  • Feeder screws
  • Heating & cooling screws
  • Ribbon screws
  • Paddle screws
  • Mixing screws
  • Food grade screws (USDA)
  • Hard faced screws
  • Shaftless screws
  • Cone screws
  • Other screws

Screw materials used

  • A-36 (MS)
  • A514 (T-1)
  • 8620 (spring steel)
  • Abrasion resistant: A/R 250-360
  • A/R 400 (BHN hardness)
  • A/R 500
  • Trimay T138, T156, T157, T165
  • Chromium carbide overlay, single or double sided
  • T304, 316, 317 SS
  • 17-4 ph, 18-8 SS
  • Duplex (2205)
  • Hastelloy (C-267)
  • Nitronic 60
  • AL 6xN

Sectional flights to
your specs

Digging Augers

Live bottom screws with

500 BHN flights

Shaftless screws

Galvanized conveyors
and components

Ribbon mixers and
conveyors

Custom
feeders/conveyors

Tapered flight / pitch
screws

Other Conveyors and Custom Fabrication | Sectional Flights

At Austin-Mac we consider each customer’s need to be unique and we use our years of hands-on experience to solve your conveying problems. We pride ourselves on quality workmanship and our goal is to produce a long-lasting, trouble free solution to your handling needs. Please call, fax or e-mail your requirements for sectional flights, special or standard screws and complete conveyors. We stock shaft mount, screw conveyor drives and standard CEMA screw conveyor components from 4″ to 16″ diameter.

Other conveyors and custom fabrication

  • Belt conveyors: troughed idler, formed pan, slider & roller bed, all materials
  • Chain & drag flight conveyors: round or flat bottom, single or multiple chain
  • Bucket elevators & lifts: belt or chain type, steel & stainless steel
  • Vertical screw conveyors
  • Shaftless screw conveyors: A-36, A-514, 8620, stainless steel
  • Leveling screw conveyors
  • Ribbon screw conveyors
  • Ribbon/mixer screw conveyors
  • Mixing screw conveyors
  • Paddle conveyors
  • Ribbon screws
  • Paddle screws
  • Dewatering screw conveyors
  • Sandwasher/classifier screw conveyors
  • Feeder/metering screw conveyors
  • Live bottom screw conveyors.
  • High temperature screw conveyors
  • Cooling & heating jacketed screw conveyors.
  • Tapered outside diameter & variable pitch screw conveyors
  • Portable conveyors
  • Ice handling conveyors
  • Bag house screw conveyors
  • Digging augers
  • Repair Screw Conveyors
  • Shaftless Screw Conveyors
  • Bulk material handling systems
  • Heating & Cooling Screw conveyors
  • Feeder Screw Conveyors
  • In stock screw conveyor components (CEMA Std), shaft mount drives

Custom fabrication
Engineering department with 75+ years combined experience in machine design. Registered Professional Engineer in Washington State. We can design a system for your custom needs or build to your specifications. We have an experienced AWS tested workforce with the following equipment available.

  • Full machine shop
  • Shear, punch & press brake
  • CNC plasma burning table
  • Complete welding shop, all materials: MIG, TIG, Subarc welding equipment
  • Form & fabricate troughs & liners in A-36, A/R plate, SS & UHMW
  • Sectional flight forming
  • Most material in stock for fast turn around

Turnkey conveyor
systems

Drag chain conveyors

Conveyors, bins,
trusses and
support towers

Belt conveyors

Custom hoppers with
discharge conveyors

Custom designed
machinery

Custom weldments

Incline screw
with hopper

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Business Name: Austin Mac, Inc.
Business Address / Areas Serving: 2739 6th Ave. S., Seattle WA 98124 | P.O. Box 3746/ All over the united states, mainly west coast.

Phone: TEL (206) 624-7066 |FAX (206) 682-4442
Email: screwconveyors@austinmacinc.com
Hours of Operation: 8am to 5pm. Pacific standard time.

© 2025 · Austin Mac Inc.

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