Product Description

304 Stainless Steel Left Hand Hex Bolts

Our 304 Stainless Steel Left Hand Hex Bolts are designed for applications that require reverse-thread fastening. Unlike standard right-hand bolts, these left hand thread bolts tighten counterclockwise and loosen clockwise, making them ideal for rotating machinery, special equipment, repair work, and anti-loosening fastening solutions.

Made from high-quality 304 stainless steel, these bolts offer excellent corrosion resistance, durability, and long service life in indoor, outdoor, and mildly corrosive environments. Available in multiple metric sizes including M5, M6, M8, M10, and M12, they are supplied in convenient packs of 10 pieces.

Key Features

• Left hand thread design: Tightens counterclockwise and loosens clockwise.
• 304 stainless steel material: Good corrosion resistance and long-lasting performance.
• Hex head structure: Easy to install with standard wrench or socket tools.
• Fully threaded body: Provides strong and stable fastening performance.
• Metric sizes available: M5, M6, M8, M10, M12.
• Pack of 10 pieces: Suitable for maintenance, replacement, and project use.
• Wide application: Ideal for machinery, automotive, marine hardware, industrial equipment, and DIY repair.

Product Specifications

Available Sizes

Why Choose Left Hand Thread Bolts?

Left hand bolts are commonly used in places where standard right-hand bolts may loosen due to rotation, vibration, or special mechanical movement. Their reverse thread design helps provide a more secure fastening solution in specific working conditions.

They are suitable for:

Installation Note

Please confirm the thread direction before installation.
A left hand thread bolt is tightened by turning it counterclockwise and loosened by turning it clockwise. Using the wrong installation direction may damage the thread.

Product Advantages

These 304 stainless steel left hand hex bolts are a reliable choice when strength, corrosion resistance, and reverse-thread fastening are required. The hex head design allows easy tightening, while the fully threaded shank provides firm engagement with matching left hand nuts or threaded holes.

Whether used for repair, replacement, machinery assembly, or industrial fastening, these bolts provide stable performance and a clean stainless steel appearance.

Preguntas frecuentes

Q1: What is a left hand thread bolt?

A left hand thread bolt is a reverse-thread bolt. It tightens counterclockwise and loosens clockwise, which is opposite to a standard right-hand bolt.

Q2: Are these bolts made of stainless steel?

Yes. These bolts are made of 304 stainless steel, which offers good corrosion resistance and durability.

Q3: What sizes are available?

The available sizes include M5, M6, M8, M10, and M12.

Q4: How many pieces are included in one pack?

Each pack includes 10 pieces.

Q5: Can these bolts be used outdoors?

Yes. 304 stainless steel has good corrosion resistance and is suitable for many indoor and outdoor applications. For highly corrosive environments such as marine or chemical areas, 316 stainless steel may be recommended.

Q6: Can I use standard nuts with these bolts?

No. These bolts require left hand thread nuts or matching left hand threaded holes. Standard right-hand nuts will not fit.

Q7: Are these fully threaded bolts?

Yes, these are fully threaded hex bolts, suitable for applications that require full thread engagement.

Q8: What tools are needed for installation?

They can be installed using a standard wrench, spanner, or socket tool that matches the hex head size.