Collection: Key Locking Inserts – Metric – Thin Wall
Discover our selection of thin wall key locking inserts with metric internal threads (M2–M12). These inserts are designed for lightweight thread reinforcement in aluminum, magnesium, and other soft metals. Thin wall models are ideal for applications with limited installation space or weight constraints. Available in stainless steel and carbon steel, with multiple lengths and external thread sizes.
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M3-0.5 / M5-0.8 / 4.25mm Insert
Regular price $2.10 USDRegular priceUnit price / perSale price $2.10 USDM3-0.5 / M5-0.8 / 4.25mm Insert
Regular price $2.10 USDRegular priceUnit price / perSale price $2.10 USDM3-0.5 / M5-0.8 / 4.25mm Insert
Regular price $2.10 USDRegular priceUnit price / perSale price $2.10 USD -
M4-0.7 / M6-0.75 / 5.25mm Insert
Regular price $1.90 USDRegular priceUnit price / perSale price $1.90 USDM4-0.7 / M6-0.75 / 5.25mm Insert
Regular price $1.90 USDRegular priceUnit price / perSale price $1.90 USDM4-0.7 / M6-0.75 / 5.25mm Insert
Regular price $1.90 USDRegular priceUnit price / perSale price $1.90 USD -
M5-0.8 / M8-1.25 / 8.0mm Insert
Regular price $1.60 USDRegular priceUnit price / perSale price $1.60 USDM5-0.8 / M8-1.25 / 8.0mm Insert
Regular price $1.60 USDRegular priceUnit price / perSale price $1.60 USDM5-0.8 / M8-1.25 / 8.0mm Insert
Regular price $1.60 USDRegular priceUnit price / perSale price $1.60 USD -
M6-1 / M10-1.25 / 10.0mm Insert
Regular price $1.50 USDRegular priceUnit price / perSale price $1.50 USDM6-1 / M10-1.25 / 10.0mm Insert
Regular price $1.50 USDRegular priceUnit price / perSale price $1.50 USDM6-1 / M10-1.25 / 10.0mm Insert
Regular price $1.50 USDRegular priceUnit price / perSale price $1.50 USD -
M8-1.25 / M12-1.25 / 12.0mm Insert
Regular price $2.00 USDRegular priceUnit price / perSale price $2.00 USDM8-1.25 / M12-1.25 / 12.0mm Insert
Regular price $2.00 USDRegular priceUnit price / perSale price $2.00 USDM8-1.25 / M12-1.25 / 12.0mm Insert
Regular price $2.00 USDRegular priceUnit price / perSale price $2.00 USD -
M8-1 / M12-1.25 / 12.0mm Insert
Regular price $2.50 USDRegular priceUnit price / perSale price $2.50 USDM8-1 / M12-1.25 / 12.0mm Insert
Regular price $2.50 USDRegular priceUnit price / perSale price $2.50 USDM8-1 / M12-1.25 / 12.0mm Insert
Regular price $2.50 USDRegular priceUnit price / perSale price $2.50 USD -
M10-1.5 / M14-1.5 / 14.0mm Insert
Regular price $2.00 USDRegular priceUnit price / perSale price $2.00 USDM10-1.5 / M14-1.5 / 14.0mm Insert
Regular price $2.00 USDRegular priceUnit price / perSale price $2.00 USDM10-1.5 / M14-1.5 / 14.0mm Insert
Regular price $2.00 USDRegular priceUnit price / perSale price $2.00 USD -
M10-1.25 / M14-1.5 / 14.0mm Insert
Regular price $2.80 USDRegular priceUnit price / perSale price $2.80 USDM10-1.25 / M14-1.5 / 14.0mm Insert
Regular price $2.80 USDRegular priceUnit price / perSale price $2.80 USDM10-1.25 / M14-1.5 / 14.0mm Insert
Regular price $2.80 USDRegular priceUnit price / perSale price $2.80 USD -
M12-1.75 / M16-1.5 / 16.0mm Insert
Regular price $2.50 USDRegular priceUnit price / perSale price $2.50 USDM12-1.75 / M16-1.5 / 16.0mm Insert
Regular price $2.50 USDRegular priceUnit price / perSale price $2.50 USDM12-1.75 / M16-1.5 / 16.0mm Insert
Regular price $2.50 USDRegular priceUnit price / perSale price $2.50 USD -
M12-1.25 / M16-1.5 / 16.0mm Insert
Regular price $3.00 USDRegular priceUnit price / perSale price $3.00 USDM12-1.25 / M16-1.5 / 16.0mm Insert
Regular price $3.00 USDRegular priceUnit price / perSale price $3.00 USDM12-1.25 / M16-1.5 / 16.0mm Insert
Regular price $3.00 USDRegular priceUnit price / perSale price $3.00 USD