4-40 UNC x 0.170 Standard Key-Locking Insert - Internal Locking - Alloy Steel
The 4-40 UNC x 0.170 Standard Key-Locking Insert - Internal Locking - Alloy Steel has locking keys that provide a positive mechanical lock which prevents rotation due to vibration or torsion. This American Made internal locking insert has a 4-40 UNC Right-Hand internal thread and is 0.170 long. The inserts external thread is 10-32 Right-Hand UNF.
4-40 UNC x 0.170 Standard Key-Locking Insert - Internal Locking - Alloy Steel
Key-Locking inserts with an Standard Wall are designed to repair damaged threads or for use in original equipment. Manufactured from Alloy Steel Type 4140, these Standard inserts feature a key-locking action that prevents rotation due to vibration or torsion. This American Made internal locking insert has a 4-40 UNC Right-Hand internal thread and is 0.170 long. The inserts external thread is 10-32 Right-Hand UNF. Order today from Industrial Hardware and Specialties.
Features
- Installed with standard drills and taps
- May be used in a variety of materials: aluminum, magnesium, cold rolled stee
- Passivated to enhance corrosion resistance and finish
- Easy installation
- Easy to remove
Applications:
- Designed to repair damaged threads or for use in original equipment in soft metals.
Installation:
Drill out old threads with a standard drill. Tap new threads with a standard tap. Screw in the insert until slightly below surface. Drive keys down with several hammer taps on the proper installation tool.
| Application | Metals |
|---|---|
| Material | Alloy Steel Type 4140 |
| Insert Style | Internal Locking |
| ID Thread Rotation | Right-Hand |
| ID Thread Standard | ANSI/ASME |
| ID Acronym | UNC |
| OD Thread Rotation | Right-Hand |
| OD Thread Standard | ANSI/ASME |
| OD Acronym | UNF |
| Flange/Flush | Flush |
| Wall Thickness | Standard |
| Inside Thread | 4-40 |
| Length | 0.170 |
| Drill Size | 0.1610 (#20) |
| Drill Size | 0.1610 (#20) |
| Plug Tap Size | 10-32 |
| Decimal Outside Diameter | 0.1900 (10-32) |
| Chrislynn Part Number | 81284 |
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