Product Description
50 Piece Stainless Steel Thread Inserts Self-Tapping M3 to M16 For DIY Projects

Features:
Manufactured from high-quality stainless steel, offering excellent hardness, toughness, and long-term durability for professional-grade repair applications.
Self-tapping structure allows direct installation without pre-tapping, ensuring efficient thread repair while maintaining precise internal threading.
Designed to meet the demands of automotive, machinery, electronics, and industrial maintenance environments.
Reinforces stripped or worn threaded holes, improves load distribution, and maintains stable connections under vibration or repeated use.
Covers M3 to M16 insert conversions, suitable for fine mechanical parts as well as heavy-duty industrial assemblies.

Specifications:
Type: Self-Tapping Thread Inserts
Material: Stainless Steel
Total Qty: 50 Pcs
Thread System: Metric Internal Thread
Insert Style: Slotted Self-Tapping Insert
Installation Method: Self-Tapping Design, No Pre-Tapping Required
Supported Inner Thread Sizes: M3, M4, M5, M6, M8, M10, M12
Supported Outer Thread Sizes: M5, M6.5, M8, M10, M12, M14, M16
Insert Length Range: L6 mm to L22 mm
Function: Repairs Stripped, Worn, or Damaged Threaded Holes
Thread Reinforcement Effect: Improves Load Distribution and Connection Strength
Vibration Resistance: Helps Prevent Thread Loosening in Moving Or High-Stress Parts
Wear Resistance Suitable for Parts Requiring Frequent Assembly And Disassembly
Application Scenarios1: Automotive Repair, Machinery Maintenance, Industrial Equipment
Application Scenarios2: Home Appliance Repair, Workshop, DIY Projects
Suitable Users: Mechanics, Maintenance Technicians, Engineers, Machine Operators, DIY Enthusiasts

Package Includes:
10 × (M3×0.5 → M5×0.5–L6)
10 × (M4×0.7 → M6.5×0.75–L8)
10 × (M5×0.8 → M8×1.0–L10)
5 × (M6×1.0 → M10×1.5–L14)
5 × (M8×1.25 → M12×1.5–L15)
5 × (M10×1.5 → M14×1.5–L18)
5 × (M12×1.75 → M16×1.5–L22)
1 × Compartment Storage Case

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We dispatch items the same working day if payment has been received before 2pm. Free domestic postage is available on all our products, along with optional paid services.

And we dispatch items via eBay fulfillment. Fast and 100% assured, get the item you ordered or get your money back.

Always believe we can solve problems by communication if there are any problems.


And if a return is the last solution, the product must be intact and the same as you receive, also should be within 30 days after you receive your package.

Shipping

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We dispatch items the same working day if payment has been received before 2pm. Free domestic postage is available on all our products, along with optional paid services.

And we dispatch items via eBay fulfillment. Fast and 100% assured, get the item you ordered or get your money back.

Returns

Always believe we can solve problems by communication if there are any problems.


And if a return is the last solution, the product must be intact and the same as you receive, also should be within 30 days after you receive your package.