a
  • Follow
  • Follow
  • Follow
Distributor Login
Find a Distributor
Bolting Methods
Contact Us
PDH Cert
a
M
  • Squirter® DTI
  • Bolting Resources
  • Bolting Methods
  • Manufacturing Specifications
  • DTI Dimensions, Standards & Specs
  • Lunch and Learn
  • Tech Support
  • Careers
  • News
  • SWAG Store
Distributor Login
Find a Distributor
Bolting Methods
Contact Us
PDH Cert
  • Follow
  • Follow
  • Follow

Bolting Methods

Pre-Installation
Verification

Learn More

Squirter® DTI

Learn More

Direct Tension Indicator

Learn More

Other DTIs

Learn More

Turn of Nut (Part Turn)

Learn More

Calibrated Wrench
(Torque)

Learn More

Twist-Off Bolts (TC Bolts)

Learn More

Combined Method

Learn More

Made in America

Specify It!

Add the following statement to your structures bolting specification.

All High Strength Structural Bolts shall include an F959(M) DuraSquirt® DTI, quenched and tempered in accordance with ASTM F959 section 4.3.2, manufactured by Applied Bolting Technology™, and installed and inspected, per their instructions.

Applied Bolting Technology™ is now a proud member of the Portland Bolt family of companies.

1413 Rockingham Road Bellows Falls, Vermont, USA 05101
US & Canada: 1.800.552.1999 | International: 1.802.460.3100

©2026 Applied Bolting Technology™ | APPLIED BOLTING TECHNOLOGY™, the Bolt Icon®, the Color Orange™, DuraSquirt®, Squirter®, Squirt™, SEE THAT THE BOLTS ARE TIGHT™, THE BEST WAY TO BOLT™, and VISUAL VERIFICATION OF BOLT TENSION are Trademarks or Registered Trademarks of Applied Bolting Technology LLC