Heavy-Duty Locking Thread Insert 9/16-18
(Pack of
5.0)
Designed for heavy-duty applications, the Solid One-Piece Keyserts® 3/8-16 Insert offers maximum holding power for large or high-stress thread repairs. Whether you're working in automotive, industrial, or structural settings, this insert ensures secure thread restoration where traditional solutions fall short. Installs easily and locks in place for long-term performance.
Heavy-duty design supports high-strength thread repairs
Ideal for oversized fasteners or structural load-bearing applications
Built-in keys lock insert securely into place
Compatible with standard installation toolsno pre-winder needed
CAUTION: Any cutting tool may break or shatter under improper use. Government regulations require use of safety glasses and other appropriate safety equipment at all times in the vicinity of use.
Frequently Bought Together

Curved Wood Handle Scratch Brush
Couldn't load pickup availability

Jobber Length Drill Bit HSS 19/64"
Couldn't load pickup availability

Jobber Length Drill Bit HSS 5/64"
Couldn't load pickup availability

Hex Nut Grade 8 Alloy Steel 1/2-13
Couldn't load pickup availability

SAE Flat Washer Thru-Hardened Steel 5/16"
Couldn't load pickup availability

USS Flat Washer Thru-Hardened Steel 5/16"
Couldn't load pickup availability

Wire Thread Replacement Insert 3/8-16
Couldn't load pickup availability

Wire Thread Insert Repair Kit 3/8-16
Couldn't load pickup availability

Lok-Rite M6 x 1.0 Steel Threaded Insert
Couldn't load pickup availability

CS Thread Repair Insert M8 x 1.25 x 16.2
Couldn't load pickup availability

CS Thread Repair Insert M12 x 1.75 x 30
Couldn't load pickup availability

CS Thread Repair Insert M14 x 1.5 x 16
Couldn't load pickup availability

48" Magntic Aluminum Level
Couldn't load pickup availability

Cut-Off Wheel for Right Angle Grinder 4-1/2"
Couldn't load pickup availability

Twist-On Surface Conditioning Disc 3" Maroon
Couldn't load pickup availability
Product Description
Designed for heavy-duty applications, the Solid One-Piece Keyserts® 3/8-16 Insert offers maximum holding power for large or high-stress thread repairs. Whether you're working in automotive, industrial, or structural settings, this insert ensures secure thread restoration where traditional solutions fall short. Installs easily and locks in place for long-term performance. Heavy-duty design supports high-strength thread repairs
Ideal for oversized fasteners or structural load-bearing applications
Built-in keys lock insert securely into place
Compatible with standard installation toolsno pre-winder needed
CAUTION: Any cutting tool may break or shatter under improper use. Government regulations require use of safety glasses and other appropriate safety equipment at all times in the vicinity of use.
Technical Specifications
Item#: | 89780 |
---|---|
Type | Fractional |
Material | Carbon Steel |
Style | Heavy Duty |
Thread | Fine |
Thread Size Internal | 9/16-18 |
Thread Size External | 3/4-16 |
Length | 0.81 " |
Recommended Drill Size | 45/64 " |
Recommended Tap Size | 3/4-16 |
UNSPSC #: | 27112810 |
TAA Compliant: | Yes |
Weight: | 0.21 lb |
Product Restrictions
