Tapsert – 22.00 x 2.50 Case Hardened Tapsert | 3920-22X30
The Tapsert 3920-22X30 is a self-cutting threaded insert available in yellow zinc passivated case hardened steel, designed for metric thread repair and creation in alloys, plastics, castings, and soft metals. Tapserts feature both internal and external threads — they are driven into a pre-formed or pre-drilled retaining hole and the cutting slots effectively tap the hole as the insert is wound into the parent material, eliminating the need for separate tapping tools.
Key Features
- Self-cutting design taps the receiving hole during installation — no separate tapping tool required
- High pull-out strength and high load capacity in low shear strength materials
- Wear free, vibration resistant screw joint
- Retains and captures swarf from installation in chipping reservoirs
- Compatible with pre-cast or pre-drilled holes with standard tolerance
- Suitable for alloys, plastics, castings, and other low shear strength materials
Technical Specifications
| Brand | Tapsert (Bordo International) |
|---|---|
| Part No. | 3920-22X30 |
| Thread Type | Metric Coarse |
| Internal Thread | M22-2.5 |
| External Thread | M26-1.5 |
| Insert Length | 30mm |
| Material | Case Hardened Steel (Yellow Zinc Passivated) |
| Type | Tapsert Insert |
Why Tradies Grab This
When threads strip in alloy housings, castings, or plastic components, Tapserts restore full thread strength without costly replacements. No tapping tools needed — just drill, wind in, and get back to work. Ideal for engine rebuilds, fabrication repairs, and any situation where a strong, permanent threaded seat is required in soft or worn material.
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