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Home / Connectors and Fasteners / FCL Type Elastic Pin Coupling Bolt Set Bulge-Type Black Rubber Sleeve F2-F7 Rubber Sleeve and Screw Combination
Connectors and Fasteners

Attributes

Brand -
Category Industrial Small Parts / Connectors and Fasteners
Origin -
Material High-Grade Rubber & Zinc-Plated Steel
Sleeve Color Black
Compatible Models F2, F3, F4, F5, F6, F7
Package Contents Rubber Sleeves and Matching Bolts
Application Industrial Motor Pumps and Machinery
Operating Temperature -30°C to +80°C
Rubber Hardness 75±5 Shore A
Bolt Finish Zinc Plated for Corrosion Resistance
Net Weight 0.45 kg per set
Certification ISO 9001 Manufactured

5 reviews

A

Anonymous

Mar 24, 2026

Rating: 5/5

Great quality

Replaced old worn sleeves. Machine runs smoother now. Fast shipping.

A

Anonymous

Feb 17, 2026

Rating: 5/5

Perfect fit for my pump

Ordered the F5 set. Bolts threaded perfectly and rubber feels durable.

A

Anonymous

Feb 16, 2026

Rating: 4/5

Good value

Solid product. One bolt was slightly tight but manageable. Good price.

A

Anonymous

Feb 13, 2026

Rating: 5/5

Exact replacement

Matched the original specs exactly. No vibration issues after install.

A

Anonymous

Feb 08, 2026

Rating: 5/5

Bulk order satisfied

Bought 20 sets for maintenance team. Consistent quality across all kits.

5 FAQ

Q: Do you offer bulk discounts?

A: Yes, contact support for orders over 50 units.

Q: What is the torque specification?

A: Please refer to your machinery manual. Generally, tighten until the rubber bulges slightly.

Q: Are the bolts metric or imperial?

A: These couplings use standard metric threads suitable for industrial machinery.

Q: Can I buy just the rubber sleeves?

A: Currently, we sell them as a complete set with bolts for safety and compatibility.

Q: Does this fit F4 models?

A: Yes, this kit covers F2 through F7. Select your size at checkout.

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