ToughBuilt Utility Knives & Replacement Blades | Auto-Load, Folding, Electrician & Scraper Models

Always Sharp. Always Ready. Built ToughBuilt Tough.

The ToughBuilt® Utility Knife lineup covers every cutting need on the job site — from auto-loading knives with 20-blade onboard storage to compact folding knives built for everyday carry, electrician’s multitools, scraper combos, and bulk replacement blade packs. Every model features ergonomic rubber grips, tool-free blade changes, and genuine ToughBuilt® engineering.

Select your model below to match your trade and application.

Available Models

• TB-H4-10-A — Auto-Loading Utility Knife with Pry Bar
  Push-slide auto-load mechanism feeds a fresh blade instantly. Stores up to 20 blades onboard. Includes rope cutter, pry bar, and triple-injected ergonomic grip.
• TB-H4-11-G — Fixed Blade + Sliding Guard
  Fixed blade strength with a sliding guard that protects the blade in transit. Tape measure hook nesting, 5-blade magnetized storage, tool-free blade change.
• TB-H4-12-C — Sub-Compact Folding Utility Knife
  4" closed / 6" open. Wire cutter & stripper, button lock, quick blade release, belt clip and tether loop. Built for everyday carry.
• TB-H4-12-IM — Electrician’s Folding Utility Knife (5-in-1)
  Wire/string cutter, pry bar, double-ended screwdriver bit (PH2/SL), 1/4" bit holder/nut driver, and utility blade — all in one tool. 3-blade handle storage.
• TB-H4-12-IST — Pry Bar Utility Knife with Storage
  Robust pry bar, wire stripper/string cutter, 3-blade handle storage, belt clip and tether loop.
• TB-H4S2-03 — Reload Utility Knife
  Patented quick-reload magazine system. Flick the actuator to auto-load a fresh blade. 15-blade capacity, aluminum & zinc alloy body, non-slip rubber housing. Includes 2 blade magazines.
• TB-H4S5-01 — 2-in-1 Scraper Utility Knife
  Converts from utility knife to scraper with a thumb press. Includes 5 ToughBuilt Universal Blades, paint-can opener, and lanyard loop.
• TB-H4S50-14-50 — 50-Pack Cardboard Blades
  Rounded-tip blades designed for opening packaged goods without damaging contents. Fits all ToughBuilt utility knives and most standard knives. Includes blade dispenser and safe disposal compartment.
• TB-H4S30-80 — 30-Pack Standard Trapezoidal Blades
  Precision-honed carbon steel. Fits all ToughBuilt utility knives and standard utility knives.
• TB-H4S-5 — 5-Pack Standard Trapezoidal Blades
  Carbon steel, fine-honed for accurate cuts. Compatible with all ToughBuilt universal knives and standard utility knives.

Specifications

• Brand: ToughBuilt®
• Handle Material: Rubber (ergonomic, non-slip)
• Blade Material: High-Speed / Carbon Steel
• Blade Angle: >60°
• Application: Electrical, HVAC, Carpentry, General Construction, Packaging

Pure Thread Pro — pro-grade tools for the tradespeople who always stay sharp.