Attributes

Brand	-
Category	Industrial Small Parts / Connectors and Fasteners
Origin	-
Material Grade	Grade 8.8 High-Carbon Steel
Series Compatibility	Lianhu 200 & 250 Series
Head Style	Mixed Square and Round Head
Thread Specification	Metric Coarse Thread
Surface Finish	Zinc Plated for Corrosion Resistance
Tensile Strength	800 MPa Minimum
Package Quantity	100 Pieces per Box
Net Weight	5.2 kg
Manufacturing Standard	DIN 931/934 Compliant
Warranty	1 Year Limited Manufacturer Warranty

5 reviews

Anonymous

Apr 05, 2026

Rating: 5/5

Exact match

Fit the 250 series perfectly. No modifications needed during installation.

Anonymous

Feb 28, 2026

Rating: 5/5

Heavy duty

Handles high vibration environments without loosening. Very satisfied with the durability.

Anonymous

Feb 07, 2026

Rating: 4/5

Solid product

Works as described. Would prefer a stainless steel option for wet environments, but these are good for dry milling.

Anonymous

Feb 07, 2026

Rating: 4/5

Good quality

Strong bolts and nuts. Shipping took a bit longer than expected but the product quality makes up for it.

Anonymous

Feb 06, 2026

Rating: 5/5

Perfect for our mill

Replaced old fasteners on our 250 series unit. Fitment was exact and they hold up well under vibration.

5 FAQ

Q: What is the corrosion resistance level?

A: These feature a zinc plating suitable for standard industrial environments. For highly corrosive areas, additional coating is recommended.

Q: Are washers included in the box?

A: No, this package includes only the bolts and nuts. Washers are sold separately.

Q: Can these handle high torque applications?

A: Yes, Grade 8.8 steel is designed for high tensile strength and torque requirements typical of grinding mills.

Q: Do I need to apply thread locker?

A: It is recommended to apply standard industrial thread locker during installation to prevent loosening due to vibration.

Q: Is there a bulk discount available?

A: Yes, please contact our sales department directly for pricing on orders exceeding 10 boxes.

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