Hex Bolts
Hex bolts are characterized by their hexagonal head and are used in construction, machinery, and maintenance.
Specifications
Material: Stainless steel, carbon steel, alloy steel.
Grades: Grade 2, Grade 5, Grade 8 (SAE); Class 8.8, 10.9, 12.9 (Metric).
Coatings: Zinc, galvanized, plain, black oxide.
Sizes
Diameter: 1/4″ to 2″ (SAE); M6 to M48 (Metric).
Length: 1/4″ to 24″ (SAE); 6mm to 500mm (Metric).
Carriage Bolts
Carriage bolts have a rounded head with a square neck to prevent rotation, commonly used in wood connections.
Specifications
Material: Stainless steel, carbon steel.
Grades: Grade 2, Grade 5.
Coatings: Zinc, galvanized.
Sizes
Diameter: 1/4″ to 3/4″ (SAE); M6 to M20 (Metric).
Length: 1/2″ to 20″ (SAE); 10mm to 300mm (Metric).
Lag Bolts
Lag bolts (or lag screws) are large wood screws with hex heads, used in heavy timber and wood-to-wood connections.
Specifications
Material: Carbon steel, stainless steel.
Grades: Standard.
Coatings: Zinc, galvanized.
Sizes
Diameter: 1/4″ to 1″ (SAE); M6 to M24 (Metric).
Length: 1″ to 12″ (SAE); 25mm to 300mm (Metric).
U-Bolts
U-bolts are U-shaped bolts with two threaded arms, used to secure pipes or tubes.
Specifications
Material: Stainless steel, carbon steel.
Grades: Standard.
Coatings: Zinc, galvanized.
Sizes
Diameter: 1/4″ to 1″ (SAE); M6 to M24 (Metric).
Length: Varies with diameter.
Eye Bolts
Eye bolts have a loop (eye) at one end and are used for lifting and securing cables.
Specifications
Material: Stainless steel, carbon steel.
Grades: Standard, forged.
Coatings: Zinc, galvanized.
Sizes
Diameter: 1/4″ to 1″ (SAE); M6 to M24 (Metric).
Length: Varies with diameter.
Anchor Bolts
Anchor bolts are used to attach structures to concrete. They come in various designs including L-shaped, double-end rods with plate, and swedge types.
Specifications
Material: Carbon steel, stainless steel.
Grades: Grade 55, Grade 105.
Coatings: Zinc, galvanized.
Sizes
Diameter: 1/2″ to 1-1/2″ (SAE); M12 to M36 (Metric).
Length: 6″ to 36″ (SAE); 150mm to 900mm (Metric).
Flange Bolts
Flange bolts have a built-in washer-like flange that distributes pressure.
Specifications
Material: Stainless steel, carbon steel, alloy steel.
Grades: Grade 5, Grade 8 (SAE); Class 8.8, 10.9, 12.9 (Metric).
Coatings: Zinc, galvanized, plain, black oxide.
Sizes
Diameter: 1/4″ to 1-1/4″ (SAE); M6 to M30 (Metric).
Length: 1/4″ to 20″ (SAE); 6mm to 500mm (Metric).
Specifications
Thread Types
- UNC (Unified National Coarse)
- UNF (Unified National Fine)
- Metric Coarse
- Metric Fine
Materials
- Carbon Steel
- Alloy Steel
- Stainless Steel
- Brass
- Aluminum
Coatings
- Zinc Plating
- Hot-Dip Galvanized
- Black Oxide
- Plain (Uncoated)
- Nickel Plating
Strength Grades
SAE: Grade 2 (Low strength), Grade 5 (Medium strength), Grade 8 (High strength)
Metric: Class 4.6 (Low strength), Class 8.8 (Medium strength), Class 10.9 (High strength), Class 12.9 (Very high strength)