Automatic Knife Replacement Springs & Parts at KnifeKits.com

 

We manufacture the world's most extensive line of automatic coil springs for knife conversion and replacement. From Combat Elite TAS Autos to Benchmade, Boker Top-Locks, Dalton Knives, S&W Automatics, Microtech Autos, Paragon Knives, Pro-Tech Automatic knives and other coil fired autos, we carry the coil size and strength that you need to get your favorite auto back to top firing shape.

We offer our replacement automatic coil springs in heat-treated and cryo-treated formats to insure maximum performance and long action life. Our springs can also be used in custom handmade automatic knife making, as well as high-performance automatic coil spring replacements for standard production folders and other automatic factory knives. In the vast majority of cases, our auto springs are far superior to the standard coil springs offered in most folding knife designs. They can increase the action quality of a knife with a simple spring replacement. Another performance quality offered in our replacement coils is torque control, with Mega, Maxx, and High torque spring designs to benefit the customization and control of a knife's opening action.

Since we manufacture our own automatic replacement coil springs, we cut out the middleman. We offer replacement knife coil springs in standard U.S.A. sizes for less than any alternate source available. Our auto springs and other folding knife replacement accessories are designed by custom auto makers and are currently in use on many of the best automatic knives on the market today.

For more information about our extensive replacement coil spring line, or our button-lock release kits and other accessories and tools, please follow the category links below:

Result Pages:
Automatic Knife Coil Spring - .375 (3/8) Diameter - (High Torque)

Our 0.375 inch High Torque automatic coil springs are designed to replace many common knife springs from today's…

Model
COIL375
Automatic Knife Coil Spring - .375 (3/8) Diameter - (High Torque)  - (5 Pack)

Our 0.375 inch High Torque 5-Pack value combo of automatic knife coil springs are designed to replace…

Model
COIL375-5
Automatic Knife Coil Spring - .375 (3/8) Diameter - (High Torque) - (5 Pack + Drill Combo)

Our 0.375 inch High Torque 5-Pack value combo of automatic knife coil springs are designed to replace…

Model
COIL375-5D
Automatic Knife Coil Spring - .375 (3/8) Diameter - (MAXX Torque)

Our 0.375 inch Maxx Torque automatic coil springs are designed to replace many common knife springs from…

Model
COILM375
Automatic Knife Coil Spring - .375 (3/8) Diameter - (MAXX Torque)  - (5 Pack)

Our 0.375 inch Maxx Torque 5-Pack value combo of automatic knife coil springs are designed to replace…

Model
COILM375-5
Automatic Knife Coil Spring - .375 (3/8) Diameter - (MAXX Torque) - (5 Pack + Drill Combo)

Our 0.375 inch Maxx Torque 5-Pack value combo of automatic knife coil springs are designed to replace…

Model
COILM375-5D
Automatic Knife Coil Spring - .375 (3/8) Diameter - (MEGA Torque)

Our 0.375 inch MEGA Torque automatic coil springs are designed to replace many common knife springs from today's most…

Model
COILMG375
Automatic Knife Coil Spring - .375 (3/8) Diameter - (MEGA Torque)  - (5 Pack)

Our 5-Pack of 0.375 inch MEGA Torque automatic coil springs are designed to replace many common knife springs from…

Model
COILMG375-5
Automatic Knife Coil Spring - .375 (3/8) Diameter - (MEGA Torque) - (5 Pack + Drill Combo)

Our 5-Pack of 0.375 inch MEGA Torque automatic coil springs are designed to replace many common knife springs from…

Model
COILMG375-5D
Automatic Knife Coil Spring - .375 (3/8) Diameter - (Three Torque Sampler + Drill Combo)

Our 0.375 three torque variety pack of automatic knife coil springs is designed to replace many common…

Model
COIL375-3TORD
Automatic Knife Coil Spring - .375 (3/8) Diameter - (Three Torque Sampler)

Our 0.375 three torque variety pack of automatic knife coil springs are designed to replace many common…

Model
COIL375-3TOR
Automatic Knife Coil Spring - .4375 (7/16) Diameter - (High Torque)

Our 0.4375 inch (7/16) High Torque automatic coil springs are designed to…

Model
COIL43
Automatic Knife Coil Spring - .4375 (7/16) Diameter - (High Torque)  - (5 Pack)

Our 0.4375 inch (7/16) High Torque 5-Pack value combo of automatic coil springs are…

Model
COIL43-5
Automatic Knife Coil Spring - .4375 (7/16) Diameter - (High Torque) - (5 Pack + Drill Combo)

Our 0.4375 inch (7/16) High Torque 5-Pack value combo of automatic coil springs are…

Model
COIL43-5D
Automatic Knife Coil Spring - .4375 (7/16) Diameter - (MAXX Torque)

Our 0.43 inch (7/16) MAXX Torque …

Model
COILM43
Automatic Knife Coil Spring - .4375 (7/16) Diameter - (MAXX Torque)  - (5 Pack)

Our 0.4375 inch (7/16) MAXX Torque 5-Pack value combo of automatic coil springs are designed to…

Model
COILM43-5
Automatic Knife Coil Spring - .4375 (7/16) Diameter - (MAXX Torque) - (5 Pack + Drill Combo)

Our 0.4375 inch (7/16) MAXX Torque 5-Pack value combo of automatic coil springs are designed to replace many…

Model
COILM43-5D
Automatic Knife Coil Spring - .4375 (7/16) Diameter - (MEGA Torque)

Our 0.43 inch (7/16) MEGA Torque automatic coil springs are designed to…

Model
COILMG43
Automatic Knife Coil Spring - .4375 (7/16) Diameter - (MEGA Torque)  - (5 Pack)

Our 0.4375 inch (7/16) MEGA Torque 5-Pack value combo of…

Model
COILMG43-5
Automatic Knife Coil Spring - .4375 (7/16) Diameter - (MEGA Torque) - (5 Pack + Drill Combo)

Our 0.4375 inch (7/16) MEGA Torque 5-Pack value combo of…

Model
COILMG43-5D
Automatic Knife Coil Spring - .4375 (7/16) Diameter - (Three Torque Sampler + Drill Combo)

Our 0.4375 (7/16) inch Three Torque Variety Pack of automatic knife coil springs is designed to replace many…

Model
COILM43-3TORD
Automatic Knife Coil Spring - .4375 (7/16) Diameter - (Three Torque Sampler)

Our 0.4375 (7/16) inch Three Torque Variety Pack of automatic knife coil springs are designed to replace many…

Model
COILM43-3TOR
Automatic Knife Coil Spring - .500 (1/2) Diameter - (High Torque)

Our 0.500 inch (1/2) High Torque automatic coil springs are designed to replace many common knife…

Model
COIL50
Automatic Knife Coil Spring - .500 (1/2) Diameter - (High Torque)  - (5 Pack)

Our 0.500 inch (1/2) High Torque 5-Pack value combo of automatic coil springs are designed to replace many common knife…

Model
COIL50-5
Automatic Knife Coil Spring - .500 (1/2) Diameter - (High Torque) - (5 Pack + Drill Combo)

Our 0.500 inch (1/2) High Torque 5-Pack value combo of automatic coil springs are designed to replace many common knife…

Model
COIL50-5D
Automatic Knife Coil Spring - .500 (1/2) Diameter - (MAXX Torque)

Our 0.50 inch (1/2) MAXX Torque automatic coil springs are designed to replace many common knife springs from today's most…

Model
COILM50
Automatic Knife Coil Spring - .500 (1/2) Diameter - (MAXX Torque)  - (5 Pack)

Our 0.50 inch (1/2) MAXX Torque 5-Pack value combo of automatic coil springs are designed to replace many common knife…

Model
COILM50-5
Automatic Knife Coil Spring - .500 (1/2) Diameter - (MAXX Torque) - (5 Pack + Drill Combo)

Our 0.50 inch (1/2) MAXX Torque 5-Pack value combo of automatic coil springs are designed to replace many common knife…

Model
COILM50-5D
Automatic Knife Coil Spring - .500 (1/2) Diameter - (MEGA Torque)

Our 0.500 inch (1/2) MEGA Torque automatic coil springs are designed to replace many…

Model
COILMG50
Automatic Knife Coil Spring - .500 (1/2) Diameter - (MEGA Torque)  - (5 Pack)

Our 0.500 inch (1/2) MEGA Torque 5-Pack value combo of automatic coil springs are…

Model
COILMG50-5
Automatic Knife Coil Spring - .500 (1/2) Diameter - (MEGA Torque) - (5 Pack + Drill Combo)

Our 0.500 inch (1/2) MEGA Torque 5-Pack value combo of automatic coil springs are…

Model
COILMG50-5D
Automatic Knife Coil Spring - .500 (1/2) Diameter - (Three Torque Sampler + Drill Combo)

Our 0.500 (1/2) inch Three Torque Variety Pack of automatic knife coil springs is designed to replace and…

Model
COIL50-3TORD
Automatic Knife Coil Spring - .500 (1/2) Diameter - (Three Torque Sampler)

Our 0.500 (1/2) inch Three Torque Variety Pack of automatic knife coil springs is designed to replace and…

Model
COIL50-3TOR
AUTOMATIC KNIFE CONVERSION - (Coil Spring) - DVD Instructional Video

Learn the secrets of automatic knife conversion as you follow the steps of converting an…

Model
DVDAKC
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