Designed by Unibor.
Made for metal.
SITEH3RO™ is Unibor's ultimate handheld metalworking solution - designed for on-site metalworking with just an impact wrench. Made for metalworkers, #BUILTForMetal
Most-Used Hole Alignment Sizes
Four most-used car reamer sizes. Quick, accurate hole expansion. By Unibor. Built For Metal.™
The Professional Tool & Industrial Alliance recognised the SITEH3RO™ system with its 2025 Tool Innovation Award.
The award recognises tools that materially change how a job gets done on site. The SITEH3RO™ system was selected for letting tradespeople do bench-quality drilling, reaming and threading using only the impact wrench they already carry.
Free shipping on all orders to the continental United States. Orders ship within 1 business day from our Lombard, IL warehouse.
Most orders arrive in 3 to 5 business days.
SITEH3RO™ is Unibor's ultimate handheld metalworking solution - designed for on-site metalworking with just an impact wrench. Made for metalworkers, #BUILTForMetal
Four car reamers covering the most-used bolt diameters. Spiral flute, safety collar, SITEH3RO™ coating on every piece. PTIA 2025 Tool Innovation Award winner.
| Pieces | 4 car reamers |
|---|---|
| Sizes | 3/8", 1/2", 5/8", 3/4" |
| Material | High-speed steel |
| Flute | Spiral |
| Coating | SITEH3RO™ coating, up to 75% longer tool life |
| Shank | 7/16" hex |
| Compatibility | SITEH3RO™ holders + standard 3-jaw drill chucks |
| Safety | Collar prevents over-insertion |
Free shipping on all orders within the continental United States. Orders ship within 1 business day from our Lombard, IL warehouse. Most arrive in 3 to 5 business days.
Your cart is empty