Constant Pressure T-Bolt Hose Clamp – 44–47mm (316 Stainless Steel)

• Constant pressure system with 12 Belleville spring washers adapts to vibration and heat changes.
• Heavy-duty 30mm wide band provides even pressure and protects reinforced or silicone hoses.
• M10 T-bolt design allows high-torque installation with anti-extrusion bridge for hose security.
• Full 316 stainless steel construction resists rust in marine, chemical, or outdoor environments.
• Designed for hoses with 44–47mm OD – ideal for turbocharger, coolant, or fluid transfer systems.

This constant pressure clamp is engineered for maximum reliability on 44–47mm hoses. The integrated spring-loaded system uses 12 Belleville washers to automatically adjust clamp force in response to thermal expansion or vibration, ensuring a continuous seal. Its 30mm wide band and reinforced M10 T-bolt allow secure high-torque tightening without hose damage. Made entirely from marine-grade 316 stainless steel, this clamp delivers long-lasting performance in turbo, marine, or industrial use cases.

Please click here for our full Delivery & Returns Policy

Returns

You may request a return within 30 days of receiving your order. Before returning anything, please contact our Customer Services Team at sales@on1shelf.com or call 028 3027 8150 for return instructions.

Products should be securely packaged and returned in their original condition and packaging wherever possible. Refunds are issued to the original payment method and are normally processed within 72 hours of receiving the returned goods.

Custom-made products cannot be returned unless faulty. Conditions and possible handling charges apply. Please see our full Delivery & Returns Policy for details.

Secure and Flexible Payment Options

We accept payments through three secure checkout options: VS Pay, PayPal and Amazon Pay. The payment methods available to you will be displayed during checkout and may depend on your device, browser and location.

Credit and Debit Cards with VS Pay

Pay securely using an eligible credit or debit card through VS Pay, Visualsoft’s payment service powered by Stripe.

VS Pay also supports:

• Apple Pay on compatible Apple devices and browsers;
• Google Pay on compatible devices and browsers; and
• Secure credit and debit card payments.

Your card provider may ask you to complete an additional identity check, such as 3D Secure authentication, before approving the payment.

PayPal

PayPal allows you to complete your purchase using eligible payment methods linked to your PayPal account. When PayPal is selected, you will be redirected to PayPal to review and authorise the payment securely.

Amazon Pay

Amazon Pay allows you to use eligible payment methods and delivery addresses stored in your Amazon account. You can complete your purchase without entering your payment and address information again on our website.

Payment Security

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For your protection, never send your complete card number, card security code or account password to us by email.

Payment Problems

If a payment is declined, please check that your payment details and billing address are correct. Your bank or payment provider may also decline or temporarily hold a transaction for security reasons. On1shelf cannot override a decision made by your bank or payment provider.

If you are still unable to complete your order, try another available payment method or contact us for assistance.

Refunds

Approved refunds are normally returned to the original payment method. After we process a refund, your bank or payment provider may require additional time before the funds appear in your account.

For information about cancellations and product returns, please read our Delivery, Returns & Refunds Policy.

Contact Us

If you have a question about a payment or an existing order, please contact us and include your order reference where available.

Email: info@on1shelf.com
Telephone: +44 (0)28 3027 8150