Zygology
Zygology Ltd
Unit 7, Thame 40 Jane Morbey Road
Thame Oxon OX9 3RR
Phone: 0808 123 1221
Fax: +44 1844 266021
Email: sales@zygology.com
Web Address: www.zygology.com
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  • Enlarged head diameter reduces stress on panel.
  • Thicker head allows for larger hole in attached panels.
  • Clinch design provides high-strength in sheets as thin as .031”.
  • Recommended for use in steel or aluminum sheets HRB (Rockwell “B” Scale) 85 or less and HB (Hardness Brinell) 165 or less.
Heavy Duty Studs for Thin Sheets - Type THFE
Heavy Duty Studs for Thin Sheets - Type THFE 2
Unit of Measure
1 

Item #

Thread Size

Hole Size in Sheet + .005 - .000

L - Length ± .015

H ± .01

Fastener Material

Standard Finish

CAD

THFE-0420-8ZI N/A .250-20 (1/4-20) N/A .250 in N/A .500 in N/A .462 in N/A Hardened Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
THFE-0518-8ZI N/A .313-18 (5/16-18) N/A .312 in N/A .500 in N/A .586 in N/A Hardened Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
THFE-0420-12ZI N/A .250-20 (1/4-20) N/A .250 in N/A .750 in N/A .462 in N/A Hardened Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
THFE-0518-12ZI N/A .313-18 (5/16-18) N/A .312 in N/A .750 in N/A .586 in N/A Hardened Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
THFE-0420-16ZI N/A .250-20 (1/4-20) N/A .250 in N/A 1.00 in N/A .462 in N/A Hardened Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
THFE-0518-16ZI N/A .313-18 (5/16-18) N/A .312 in N/A 1.00 in N/A .586 in N/A Hardened Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
THFE-0420-20ZI N/A .250-20 (1/4-20) N/A .250 in N/A 1.25 in N/A .462 in N/A Hardened Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
THFE-0518-20ZI N/A .313-18 (5/16-18) N/A .312 in N/A 1.25 in N/A .586 in N/A Hardened Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
THFE-0420-24ZI N/A .250-20 (1/4-20) N/A .250 in N/A 1.50 in N/A .462 in N/A Hardened Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
THFE-0518-24ZI N/A .313-18 (5/16-18) N/A .312 in N/A 1.50 in N/A .586 in N/A Hardened Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
THFE-0420-28ZI N/A .250-20 (1/4-20) N/A .250 in N/A 1.75 in N/A .462 in N/A Hardened Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
THFE-0518-28ZI N/A .313-18 (5/16-18) N/A .312 in N/A 1.75 in N/A .586 in N/A Hardened Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
THFE-0420-32ZI N/A .250-20 (1/4-20) N/A .250 in N/A 2.00 in N/A .462 in N/A Hardened Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
THFE-0518-32ZI N/A .313-18 (5/16-18) N/A .312 in N/A 2.00 in N/A .586 in N/A Hardened Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
Unit of Measure
1