• Shop Products
  • Screw University
  • Knowledgebase
  • Contact Us
  • My Account
  • 0$0.00
  • Jump To Size
    • By Diameter
      • Lead Screws (inch)
        • 3/16" - 20, Acme
        • 1/4" - 20, Acme
        • 1/4" - 16, Acme
        • 1/4" X .100, Hi-Lead
        • 1/4" X .250, Hi-Lead
        • 1/4" X .333, Torqspline
        • 3/8" - 20, Acme
        • 3/8" - 16, Acme
        • 3/8" - 12, Acme
        • 3/8" - 10, Acme
        • 3/8" - 8, Acme
        • 3/8" X .167, Hi-Lead
        • 3/8" X .200, Hi-Lead
        • 3/8" X .250, Hi-Lead
        • 3/8" X .375, Hi-Lead
        • 3/8" X .500, Torqspline
        • 3/8" X 1.000, Torqspline
        • 7/16" X 1.000, Torqspline
        • 1/2" - 10, Acme
        • 1/2" - 8, Acme
        • 1/2" X .200, Hi-Lead
        • 1/2" X .250, Hi-Lead
        • 1/2" X .333, Hi-Lead
        • 1/2" X .500, Hi-Lead
        • 5/8" - 10, Acme
        • 5/8" - 8, Acme
        • 5/8" - 7, Acme
        • 5/8" X .200, Hi-Lead
        • 5/8" X .250, Hi-Lead
        • 11/16" X .500, Hi-Lead
        • 3/4" - 16, Acme
        • 3/4" - 10, Acme
        • 3/4" - 8, Acme
        • 3/4" - 7, Acme
        • 3/4" - 6, Acme
        • 3/4" - 5, Acme
        • 3/4" - 5, Acme
        • 3/4" X .250, Hi-Lead
        • 3/4" X .333, Hi-Lead
        • 3/4" X .500, Hi-Lead
        • 3/4" X 1.000, Torqspline
        • 3/4" X 1.500, Torqspline
        • 7/8" - 6, Acme
        • 7/8" - 5, Acme
        • 1" - 10, Acme
        • 1" - 8, Acme
        • 1" - 7, Acme
        • 1" - 6, Acme
        • 1" - 5, Acme
        • 1" - 4, Acme
        • 1" X .250, Hi-Lead
        • 1" X .333, Hi-Lead
        • 1" X .400, Hi-Lead
        • 1" X .500, Hi-Lead
        • 1" X 1.000, Hi-Lead
        • 1" X 2.000, Torqspline
        • 1 1/8" - 5, Acme
        • 1 1/8" X .333, Hi-Lead
        • 1 3/16" X 1.200, Torqspline
        • 1 1/4" - 16, Acme
        • 1 1/4" - 5, Acme
        • 1 1/4" - 4, Acme
        • 1 1/4" X .400, Hi-Lead
        • 1 3/8" - 4, Acme
        • 1 7/16" X 3.000, Torqspline
        • 1 1/2" - 10, Acme
        • 1 1/2" - 5, Acme
        • 1 1/2" - 4, Acme
        • 1 1/2" - 2.667, Acme
        • 1 1/2" X .400, Hi-Lead
        • 1 1/2" X .500, Hi-Lead
        • 1 1/2" X .750, Hi-Lead
        • 1 3/4" - 4, Acme
        • 1 3/4" - 3, Acme
        • 1 7/8" X 4.000, Torqspline
        • 2" - 4, Acme
        • 2" - 3, Acme
        • 2" X .500, Hi-Lead
        • 2" X .666, Hi-Lead
        • 2" X 1.000, Hi-Lead
        • 2 1/4" - 4, Acme
        • 2 1/2" - 4, Acme
        • 2 1/2" - 3, Acme
        • 2 1/2" - 2, Acme
        • 2 3/4" X 6.000, Torqspline
        • 3" - 4, Acme
        • 3" - 3, Acme
        • 3" - 2, Acme
        • 3 1/2" - 2, Acme
      • Lead Screws (metric)
        • 10" X 2.000, Trapezoidal
        • 12" X 3.000, Trapezoidal
        • 14" X 3.000, Trapezoidal
        • 16" X 3.000, Trapezoidal
        • 16" X 4.000, Trapezoidal
        • 18 X 4.000, Trapezoidal
        • 20" X 4.000, Trapezoidal
        • 24" X 5.000, Trapezoidal
        • 28" X 5.000, Trapezoidal
        • 30" X 6.000, Trapezoidal
        • 32" X 6.000, Trapezoidal
        • 36" X 6.000, Trapezoidal
        • 40" X 7.000, Trapezoidal
        • 44" X 7.000, Trapezoidal
        • 48" X 8.000, Trapezoidal
        • 52" X 8.000, Trapezoidal
      • Ball Screws
        • 3/8" X .125, Recirculating
        • 1/2" X .500, Recirculating
        • 5/8" X .200, Recirculating
        • 3/4" X .200, Recirculating
        • 3/4" X .500, Recirculating
        • 1" X .250, Recirculating
        • 1" X .333, Recirculating
        • 1" X .500, Recirculating
        • 1" X 1.000, Recirculating
        • 1 1/2" X .500, Recirculating
        • 1 1/2" X 1.000, Recirculating
      • Freewheeling Ball Screws
        • 1/4" X .188, Freewheeling
        • 5/16" X .125, Freewheeling
        • 9/16" X .083, Freewheeling
        • 5/8" X .188, Freewheeling
        • 3/4" X .250, Freewheeling
        • 1" X .280, Freewheeling
    • By Lead
      • Lead Screws (inch)
        • 3/16" - 20, Acme
        • 1/4" - 20, Acme
        • 1/4" - 16, Acme
        • 1/4" X .100, Hi-Lead
        • 1/4" X .250, Hi-Lead
        • 1/4" X .333, Torqspline
        • 3/8" - 20, Acme
        • 3/8" - 16, Acme
        • 3/8" - 12, Acme
        • 3/8" - 10, Acme
        • 3/8" - 8, Acme
        • 3/8" X .167, Hi-Lead
        • 3/8" X .200, Hi-Lead
        • 3/8" X .250, Hi-Lead
        • 3/8" X .375, Hi-Lead
        • 3/8" X .500, Torqspline
        • 3/8" X 1.000, Torqspline
        • 7/16" X 1.000, Torqspline
        • 1/2" - 10, Acme
        • 1/2" - 8, Acme
        • 1/2" X .200, Hi-Lead
        • 1/2" X .250, Hi-Lead
        • 1/2" X .333, Hi-Lead
        • 1/2" X .500, Hi-Lead
        • 5/8" - 10, Acme
        • 5/8" - 8, Acme
        • 5/8" - 7, Acme
        • 5/8" X .200, Hi-Lead
        • 5/8" X .250, Hi-Lead
        • 11/16" X .500, Hi-Lead
        • 3/4" - 16, Acme
        • 3/4" - 10, Acme
        • 3/4" - 8, Acme
        • 3/4" - 7, Acme
        • 3/4" - 6, Acme
        • 3/4" - 5, Acme
        • 3/4" - 5, Acme
        • 3/4" X .250, Hi-Lead
        • 3/4" X .333, Hi-Lead
        • 3/4" X .500, Hi-Lead
        • 3/4" X 1.000, Torqspline
        • 3/4" X 1.500, Torqspline
        • 7/8" - 6, Acme
        • 7/8" - 5, Acme
        • 1" - 10, Acme
        • 1" - 8, Acme
        • 1" - 7, Acme
        • 1" - 6, Acme
        • 1" - 5, Acme
        • 1" - 4, Acme
        • 1" X .250, Hi-Lead
        • 1" X .333, Hi-Lead
        • 1" X .400, Hi-Lead
        • 1" X .500, Hi-Lead
        • 1" X 1.000, Hi-Lead
        • 1" X 2.000, Torqspline
        • 1 1/8" - 5, Acme
        • 1 1/8" X .333, Hi-Lead
        • 1 3/16" X 1.200, Torqspline
        • 1 1/4" - 16, Acme
        • 1 1/4" - 5, Acme
        • 1 1/4" - 4, Acme
        • 1 1/4" X .400, Hi-Lead
        • 1 3/8" - 4, Acme
        • 1 7/16" X 3.000, Torqspline
        • 1 1/2" - 10, Acme
        • 1 1/2" - 5, Acme
        • 1 1/2" - 4, Acme
        • 1 1/2" - 2.667, Acme
        • 1 1/2" X .400, Hi-Lead
        • 1 1/2" X .500, Hi-Lead
        • 1 1/2" X .750, Hi-Lead
        • 1 3/4" - 4, Acme
        • 1 3/4" - 3, Acme
        • 1 7/8" X 4.000, Torqspline
        • 2" - 4, Acme
        • 2" - 3, Acme
        • 2" X .500, Hi-Lead
        • 2" X .666, Hi-Lead
        • 2" X 1.000, Hi-Lead
        • 2 1/4" - 4, Acme
        • 2 1/2" - 4, Acme
        • 2 1/2" - 3, Acme
        • 2 1/2" - 2, Acme
        • 2 3/4" X 6.000, Torqspline
        • 3" - 4, Acme
        • 3" - 3, Acme
        • 3" - 2, Acme
        • 3 1/2" - 2, Acme
      • Lead Screws (metric)
        • 10" X 2.000, Trapezoidal
        • 12" X 3.000, Trapezoidal
        • 14" X 3.000, Trapezoidal
        • 16" X 3.000, Trapezoidal
        • 16" X 4.000, Trapezoidal
        • 18 X 4.000, Trapezoidal
        • 20" X 4.000, Trapezoidal
        • 24" X 5.000, Trapezoidal
        • 28" X 5.000, Trapezoidal
        • 30" X 6.000, Trapezoidal
        • 32" X 6.000, Trapezoidal
        • 36" X 6.000, Trapezoidal
        • 40" X 7.000, Trapezoidal
        • 44" X 7.000, Trapezoidal
        • 48" X 8.000, Trapezoidal
        • 52" X 8.000, Trapezoidal
      • Ball Screws
        • 3/8" X .125, Recirculating
        • 1/2" X .500, Recirculating
        • 5/8" X .200, Recirculating
        • 3/4" X .200, Recirculating
        • 3/4" X .500, Recirculating
        • 1" X .250, Recirculating
        • 1" X .333, Recirculating
        • 1" X .500, Recirculating
        • 1" X 1.000, Recirculating
        • 1 1/2" X .500, Recirculating
        • 1 1/2" X 1.000, Recirculating
      • Freewheeling Ball Screws
        • 1/4" X .188, Freewheeling
        • 5/16" X .125, Freewheeling
        • 9/16" X .083, Freewheeling
        • 5/8" X .188, Freewheeling
        • 3/4" X .250, Freewheeling
        • 1" X .280, Freewheeling

hostquanly

800-GO-ROTON (800-467-6866)
Home > …
  • Profile
  • Topics Started
  • Replies Created
  • Engagements
  • Favorites

@hostquanly

Profile

Registered: 2 days, 13 hours ago

Rockie Ng is the founder of Napricot Eyelash Beauty, a leading Vietnamese brand specializing in high-quality premade lash fans. With over 6 years of hands-on experience in the lash industry, Rockie has grown from a salon technician to an educator, innovator, and trusted voice in the lash artist community. From Salon Technician to Brand Founder Rockie began her journey in a modest beauty salon, where she quickly realized the limitations of traditional lash tools and methods. Struggling with handmade fans, inconsistent lash retention, and time-consuming applications, she recognized the need for better tools and education in the lash world. Motivated by her own challenges and a desire to uplift others, Rockie founded Napricot Eyelash Beauty with a simple but powerful mission: To create professional-grade products and reliable training that empower lash artists to grow faster and work smarter. Napricot Eyelash Beauty – A Brand Built for Lash Artists Under Rockie’s leadership, Napricot has become more than a lash product line, it’s a comprehensive support system for lash professionals: Premium premade fans (3D–20D) with optimal design for fast, clean application Hand-tested tools such as tweezers and glues to maximize control and retention Educational resources designed by Rockie herself, tailored for both beginners and experts Every Napricot product reflects Rockie’s deep technical insight and real-world experience as a lash artist. Website: https://beautyblog.napricot.com/about-rockie-ng/ Phone: +1(619)3637812 Address: Florida

Website: https://beautyblog.napricot.com/about-rockie-ng/


Forums

Topics Started: 0

Replies Created: 0

Forum Role: Participant

  • Shop Products
    • Quick Select Guide
      • Lead Screws
      • Metric Lead Screws
      • Ball Screws
    • All Lead Screws & Nuts
      • Engineering Data
      • All Lead Screws
      • All Sleeve Nuts
      • All Threaded Mount Nuts
      • All Mounting Flanges
      • All Steel Nuts
      • All Speed Ball Wing Nuts
    • Acme Lead Screws & Nuts
      • General Information
      • Engineering Data
      • Screws
      • Sleeve Nuts
      • Threaded Mount Nuts
      • Mounting Flanges
      • Anti-Backlash Flange Nuts
      • Steel Nuts
      • Acme Lead Screw Flange Nuts
      • Speed Ball Wing Nuts
    • Hi-Lead® Screws & Nuts
      • General Information
      • Engineering Data
      • Screws
      • Sleeve Nuts
      • Hi-Lead® Screw Flange Nuts
      • Threaded Mount Nuts
      • Mounting Flanges
      • Hi-Lead® Screw Anti-Backlash Flange Nut
    • Torqspline® Screws & Quiknuts®
      • General Information
      • Engineering Data
      • Screws
      • Sleeve Nuts
      • Torqspline Screw Flange Nuts
      • Threaded Mount Nuts
      • Torqspline Screw Anti-Backlash Flange Nut
      • Mounting Flanges
    • Trapezoidal Lead Screws & Nuts
      • General Information
      • Engineering Data
      • Screws
      • Sleeve Nuts
      • Trapezoidal Lead Screw Flange Nuts
      • Threaded Mount Nuts
      • Mounting Flanges
    • Ball Screws and Ball Nuts
      • General Information
      • Engineering Data
      • Ball Screws
      • Ball Nuts
      • Mounting Flanges
    • Freewheeling Ball Screws & Ball Nuts
      • General Information
      • Engineering Data
      • Ball Screws
      • Ball Nuts
      • Mounting Flanges
    • Worms
      • General Information
      • Diametral Pitch Worm Thread Dimensions
      • Module Worm Thread Dimensions
    • Taps for Lead Screw Thread Forms
      • Taps for Lead Screw Thread Forms – General Information
  • Screw University
    • Screw Basics
      • Screw Thread Standards
      • Basics of Actuating Screws
      • Screw Motions
    • Types of Screws
      • Power Screws Basics & Materials
        • Speed for Power Screws
        • Power Screw – Wear Life
      • Ball Screws
        • Ball Screw – Speed
        • Ball Screw Wear Life
    • Identifying Screw Threads
      • Screw Thread Form
      • Screw Thread Pitch
      • Major & Minor Diameter
      • Pitch Diameter
      • Hand of the Thread
    • Screw Actions
      • Application Engineering: Speed
      • Screw Backdriving Efficiency
      • Column Loading
        • Horizontal Bending
        • Torsional & Axial Deflection
      • End Fixity
      • Screw Shaft Straightness & Defects
        • Methods of Achieving Straightness
        • Preserving Straightness in Screws
        • How to Straighten Screws
      • Screw Wear Life
        • Wear Mechanism
        • Screw and Nut Material Selection
        • Monitoring Wear
        • Wear Equations
    • Formula Calculators
      • Torque-Forward Drive
      • Torque-Backdrive
      • Key Torque-Forward Drive
      • Key Torque-Backdrive
      • Speed Calculator
      • Drive Horsepower-Rotary
      • Drive Horsepower-Linear
      • Critical Speed
      • Column Loading
      • Efficiency – Power Screws – Forward Drive
      • Efficiency – Power Screws – Backdrive
      • Lead Angle
      • Wear Life for Ball Screws
      • Acceleration Force Objects in Linear Motion
      • Acceleration Torque Objects in Rotary Motion
    • Glossary
  • Knowledgebase
    • Engineering Bulletins
      • Ball Screws
      • Flanges
      • Power Screws
      • Steel Nuts
    • Ask the Engineer
    • FAQ
      • Products
      • Purchasing

Roton Products, Inc. - Quality screws & nuts for power transmission® Roton Products, Inc. | 645 East Elliott Ave, Kirkwood, MO 63122 | Toll Free: 800-GO-ROTON (800-467-6866)

Fax: 314-821-4818 | Outside US: 314-821-4400 | sales@roton.com

©1997-2025 Roton Products, Inc. All rights reserved. |Lead Time & Inventory Information |Return Policy