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Satisfaction guaranteed: order with your peace of mind assured thanks to CO-Z's usual strong warranty and friendly 24/7 customer service.
Purpose built: the installation tools in this helicoil kit are constructed from high-speed steel for superior handling while the inserts are heated-treated 45# steel for greater strength and longevity in place. All-in-one kit: this 131-piece thread repair tool kit by co-z includes bits, 3/8", 7/16", taps, and inserts in the 5 most needed SAE sizes: 1/4", 5/16", and 1/2".



It is suitable for repair stripped or damaged internal threads and widely used in automotive and plumbing applications. Please rest assured to buy.
1/4", 7/16", 1/2" sae sizes get you fully equipped. High precision: 135° apex angle of twist drills, with stronger metal penetration and higher efficiency. Sae: standard 131pcs thread repair kit, includes hss drill bits, wire thread inserts, 3/8", 5/16", sti taps, installation and tang break tools. Extended service life. Chrome finish surface is for anti-rust.
1. Heli-Coil
#ad
Helicoil 5521-6 3/8-16 Inch Coarse Thread Repair Kit
#adHeli-Coil #ad - Easy and simple use kit. Made from high quality material. Comes in carded packing. Includes 12 inserts, complete instructions, Heli-Coil tap and installation tool. Used for repairing tapped holes.More information #ad
Includes 12 inserts, complete instructions, Heli-Coil tap and installation tool. Made from high quality material. The product is manufactured in china. Easy to use. Comes in carded packing. Used for repairing tapped holes. Easy to use. The product is 3/8-16thread repair kit.Brand | Heli-Coil #ad |
Manufacturer | Heli-Coil #ad |
Height | 3.6 Inches |
Length | 5.8 Inches |
Weight | 0.2 Pounds |
Width | 0.6 Inches |
Part Number | 55216 |
Model | 5521-6 |
Warranty | AS LISTED |
More information #ad
2. PowerCoil
#ad
Powercoil 3532-3/8K UNC 3/8-16 Thread Repair Kit 1 Kitper Pack
#adPowerCoil #ad - Used to create new stronger threads in original equipment. Used to repair damaged or worn out threads. Thread repair kit containing drill, tang break tool, tap, installation tool, quantity of inserts and instructions.More information #ad
Powercoil kits contain the wire thread inserts, tap, installation tool. Provide a permanent, corrosion and wear resistant internal thread.Brand | PowerCoil #ad |
Manufacturer | Crossroad Distributor Source #ad |
Height | 1 Inches |
Length | 7.25 Inches |
Weight | 100 Kilograms |
Width | 4.5 Inches |
Part Number | 3532-3/8K |
Model | 3532-3/8K |
More information #ad
3. Heli-Coil
#ad
PK12, 3/8-16, Helical Insert, 304SS
#adHeli-Coil #ad - Package dimensions : 18. 0 l x 21. 0 h x 18. 0 w inches. Fit type : Universal. Made in America. Package weight : 3. 17 pounds.More information #ad
Brand | Heli-Coil #ad |
Manufacturer | Heli-Coil #ad |
Height | 0.7 Inches |
Length | 2.6 Inches |
Weight | 0.1 Pounds |
Width | 2.4 Inches |
Part Number | R1185-6 |
Model | R11856 |
Warranty | As labelled |
More information #ad
4. Drill America
#ad
3/8"-16, Drill America HEL5401-6 Helicoil Kit
#adDrill America #ad - Package dimensions: 6. 0 l x 2. 0 h x 3. 0 w inches. Country of Origin : United States. Finish type: Bright. Package weight : 1 pounds.More information #ad
Brand | Drill America #ad |
Manufacturer | Drill America #ad |
Part Number | HEL5401-6 |
Model | HEL5401-6 |
More information #ad
5. Perma-Coil
#ad
Perma-Coil 1208-106 Thread Repair Kit 3/8-16 12PC Helicoil 5401-6
#adPerma-Coil #ad - All steel threaded installation mandrel & STI Tap Steel. Perma-coil kits are proudly Made in the USA! Compatible with Helicoil Save-A-Thread. Thread size: 3/8-16. Pack of 12 - aerospace quality, 304 Stainless Steel, Free-Running Inserts.More information #ad
Brand | Perma-Coil #ad |
Manufacturer | Thread Kits Company #ad |
Part Number | 1208-106 |
More information #ad
6. CO-Z
#ad
1/4" 5/16" 3/8" 7/16" 1/2", CO-Z 131PC SAE Thread Repair Kit, HSS Drill Helicoil Kit Standard
#adCO-Z #ad - Easy to use: the convenient carrying case holds and organizes all the parts for easy transport and storage between jobs; on the site, the drill bits quickly create room for the installation tools to smoothly fit the inserts that repair your old threading; the breakoff tools clean things up for use.Satisfaction guaranteed: order with your peace of mind assured thanks to CO-Z's usual strong warranty and friendly 24/7 customer service.
More information #ad
Wide application: our drill and tap set is ideal for restoring stripped or damaged internal threads as well as for performing maintenance work to protect any threads from wear and tear. Purpose built: the installation tools in this helicoil kit are constructed from high-speed steel for superior handling while the inserts are heated-treated 45# steel for greater strength and longevity in place. All-in-one kit: this 131-piece thread repair tool kit by co-z includes bits, 3/8", 7/16", taps, and inserts in the 5 most needed SAE sizes: 1/4", 5/16", and 1/2".
Brand | CO-Z #ad |
Manufacturer | CO-Z #ad |
Part Number | CO-Z-TRK-S131-00 |
More information #ad
7. HORUSDY
#ad
HSS Drill Helicoil Repair Kit SAE,1/4" 5/16" 3/8" 7/16" 1/2", HORUSDY 131Pc Thread Repair Kit
#adHORUSDY #ad - Lt has one hss tap for each size, one hss drill for each Size, 2 insert Tools for Each Size, thread inserts for each size, All Come Complete in a Handy Storage Case. All tools were packed in a convenient Steel Carrying Case, Ease and Fast in Collecting and Placing the Tools.More information #ad
This thread repair kit is used to Repair or Replace Damaged or Stripped Internal Screw Threads. Ideal for restoring damaged Threads, Suitable for Engine Repair and Other Automotive Applications. The kit has altogether 131 Pieces, All Made According to Professional Standard.Brand | HORUSDY #ad |
Manufacturer | HORUSDY #ad |
Height | 1.57 Inches |
Length | 14.56 Inches |
Weight | 4.3 Pounds |
Width | 7.67 Inches |
Part Number | 97379 |
Model | 97337 |
More information #ad
8. TIME-SERT
#ad
Harley Stud Thread Repair kit 3/8-16
#adTIME-SERT #ad - Known as the best thread repair on the market today! Solid bushing, self locking, positive placement repair. Includes all the tools and 5 inserts 1. 000" inch long. 3/8-16 harley stud thread repair kit. Thread repair kit for Harley head stud thread repair.More information #ad
Brand | TIME-SERT #ad |
Manufacturer | Time-Sert #ad |
Height | 0.85 Inches |
Length | 5 Inches |
Weight | 0.45 Pounds |
Width | 3 Inches |
Part Number | WI-0381D |
Model | WI-0381D |
More information #ad
9. TAILUG
#ad
TAILUG Thread Repair Kit, 131Pcs SAE Helicoil Repair Kit in 1/4" 5/16" 3/8" 7/16" 1/2" HSS Drill Bits Threaded Inserts Screw Tap Installation Tool and Tang Break Tool Included
#adTAILUG #ad - Hss screw taps have precise screw threads, offer large chip space and small resistance during cutting. Widely used: our drill and tap set creates a stronger internal thread in soft metals and protects tapped threads against wear and damage. The thread inserts made of heat-treated 45# steel has better toughness and is not easy to wear and deformation.It is suitable for repair stripped or damaged internal threads and widely used in automotive and plumbing applications. Please rest assured to buy.
More information #ad
Tailug helicoil thread repair kit is overed by a warranty for 1 year. Excellent material: the helicoil kit is made of high-speed steel, with better hardness and toughness after heat treatment. Portable & guarantee: everything you’ll need for thread repairing is supplied in a durable carry case, ensuring safe storage and protection when not in use. 1/4", 7/16", 1/2" sae sizes get you fully equipped. High precision: 135° apex angle of twist drills, with stronger metal penetration and higher efficiency. Sae: standard 131pcs thread repair kit, includes hss drill bits, wire thread inserts, 3/8", 5/16", sti taps, installation and tang break tools. Extended service life. Chrome finish surface is for anti-rust.
Brand | TAILUG #ad |
Manufacturer | TAILUG #ad |
Height | 2.5 Inches |
Length | 15 Inches |
Width | 12 Inches |
Part Number | TR02-002 |
Model | TR02-002 |
More information #ad