![Trident Marine 316 SS Non-Perforated Worm Gear Hose Clamp - 15/32" Band - (1-3/4" 2-1/4") Clamping Range - 10-Pack - SAE Size 28 [710-1121]](http://marinetechsupplies.com/cdn/shop/files/98831XL_{width}x.jpg?v=1767998617)
![Trident Marine 316 SS Non-Perforated Worm Gear Hose Clamp - 15/32" Band - (1-3/4" 2-1/4") Clamping Range - 10-Pack - SAE Size 28 [710-1121]](http://marinetechsupplies.com/cdn/shop/files/98831XL_130x.jpg?v=1767998617)
Trident Marine 316 SS Non-Perforated Worm Gear Hose Clamp - 15/32" Band - (1-3/4" 2-1/4") Clamping Range - 10-Pack - SAE Size 28 [710-1121]
Description
- Description
316 SS Non-Perforated Worm Gear Hose Clamp - 15/32" Band - (1-3/4" – 2-1/4") Clamping Range - 10-Pack - SAE Size 28
Premium Marine Grade, all AISI 316 (high tensile strength) Stainless Steel “HD NON-PERF” Worm Gear Hose Clamp. The 11.7 mm (0.46”) wide band is Non-Perforated and Smooth on the inside with Rolled Edges. This eliminates hose damage with increased clamping force. The High Strength, Compact, One Piece 16mm (0.63”) wide Housing provides one of the highest clamping force ratings of any worm gear style clamp.
Features:
- The screw head is 7mm
- Long service life and safety for most general-purpose hose applications and connections
Recommendations:
- Measure hose O.D. before selecting clamp size for proper fit
- Double clamp on each hose end for critical applications
- Consider using our #720 Series wide band 316 SS T-Bolt Clamps for larger I.D. hoses (i.e. Exhaust Hose, etc.)
Construction:
- Band & Housing: 316 Stainless Steel 11.7 mm wide band – 0.9mm thick
- Screw Drive: 316 Stainless Steel 7.0 mm screw head
Specifications:
- SAE Size: 28
- Hose Inner Diameter: (inch) 1-1/2" - 1-5/8"
- Clamping Range: (inch) 1-3/4"– 2-1/4" / (mm) 44-56
- Recommended Torque Inch lbs: 45-60
Quick Guide (pdf)
Refund Policy
Return Policy – Marine Tech Supplies
Effective Date: January 9, 2026
At Marine Tech Supplies, we want you to be satisfied with your purchase. Please review our return policy below.
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Return Window
All return requests must be made within 14 days of the delivery date.
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Return Eligibility
To be eligible for a return:
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Item must be unused and in original condition
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Item must be in original packaging
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All accessories, manuals, and parts must be included
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Proof of purchase is required
Items that are damaged due to misuse, installation error, or negligence are not eligible for return.
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Non-Returnable Items
The following items cannot be returned:
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Special order or custom products
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Clearance or final sale items
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Installed or used items
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Electrical components once opened
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Items returned without approval
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Return Authorization (RMA Required)
All returns require a Return Authorization (RMA).
Returns sent without approval will be rejected.
To request an RMA, contact via About section
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Return Shipping
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Customer is responsible for return shipping costs unless the error was ours
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Items must be shipped with tracking and insurance
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We are not responsible for lost or damaged return shipments
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Restocking Fee
A 15% restocking fee may apply to all approved returns.
Shipping charges are non-refundable.
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Refund Process
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Refunds are issued after inspection and approval
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Refunds are processed back to the original payment method
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Allow 5–10 business days for refunds to appear after approval
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Damaged or Incorrect Items
If your item arrives damaged or incorrect:
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Report within 48 hours of delivery
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Provide photos and order details
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We will arrange a replacement or refund at no cost
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Refused Deliveries
Refused shipments are treated as returns and may be subject to:
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Return shipping fees
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Original shipping fees
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Restocking fee
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Chargebacks
Initiating a chargeback without contacting us first may result in denial of future service.
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Policy Updates
Marine Tech Supplies reserves the right to update this policy at any time without notice.