Teng Tools MD503N 6-8mm Flexible Hose Clamp Driver on a white background

Teng Tools 6-8mm Flexible Hose Clamp Driver - Worm Drive Clamp Tool for Confined Spaces - Hose Clip Driver Flexible Nut Driver Sizes Sold Individually

7mm
$8.99
Sale price  $8.99 Regular price  $14.99
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Teng Tools MD503N 6-8mm Flexible Hose Clamp Driver on a white background

Hose Tools · MD503NA

6-8mm Flexible Hose Clamp Driver

Worm Drive Clamp Tool for Confined Spaces · Hose Clip Driver Flexible Nut Driver Sizes Sold Individually

$8.99
Sale price  $8.99 Regular price  $14.99
Size
In stock

Pair it with

This item: 6-8mm Flexible Hose Clamp Driver (7mm) $8.99
78 Piece 1/4 Drive Bit and Socket Set $69.99

Recommended for general maintenance

  • Fast US dispatch from our Fort Worth, Texas warehouse
  • Genuine Teng Tools — professional-grade, designed in Sweden
  • Secure checkout — encrypted payment, trusted providers
  • Backed by guarantee — built to last a working lifetime

Why this one

Flexible shaft

A flexible shaft bends around brackets, hoses and engine accessories to reach the hex head of a hose clip in confined spaces.

Fits worm drive clips

Made to fit most commonly used worm drive hose clips, which covers coolant, heater, vacuum, fuel and turbo plumbing on many vehicles.

Screwdriver-style handle

The handle gives a comfortable, secure grip for controlled torque overhead, sideways or deep inside a wheel well.

6, 7 and 8 mm ends

Available with a 6, 7 or 8 mm hex end, sold individually. The 7 mm version weighs 146 g.

Read the full description

Getting a wrench or socket onto a hose clamp that sits three inches behind an exhaust manifold is one of those small jobs that eats big chunks of time. This tool solves the problem with a flexible shaft that bends around brackets, hoses, and engine accessories to reach the clip hex head directly.

The 7 mm hex end matches the screw head on most worm drive hose clips, including popular Jubilee brand clips. That means one tool covers coolant hoses, heater cores, vacuum lines, fuel lines, and turbo plumbing on the vast majority of metric-fastener vehicles and equipment.

The screwdriver-style handle provides a comfortable, secure grip for controlled torque in any orientation—overhead, sideways, or deep inside a wheel well. At just 146 g, the tool is light enough to keep in a belt pouch or glove-box kit so it is always within reach when a hose needs service.

Whether you work on cars, trucks, boats, or industrial machinery, hose clamp access in tight quarters is a recurring challenge. This flexible driver turns that challenge into a straightforward task, saving time and reducing the temptation to over-torque a clip with an ill-fitting tool.

Specifications

TypeAuto Tools
CategoryHose Tools
Part numberMD503NA

Data sheet

Full details from Teng Tools. Download PDF

Lifetime warranty

Send a photo and your order number. Same-day shipping on replacements.

Ships from Texas

From our Fort Worth warehouse.

Questions?

Call (817) 767-3392.

Shipping

Free shipping on orders over $99. Orders are stocked, picked and shipped from our warehouse in Fort Worth, Texas — orders placed on business days ship same-day wherever possible.

Lifetime warranty

Teng Tools hand tools are backed by a lifetime warranty against manufacturing defects. Screwdriver bits and socket bits are consumables and are guaranteed to meet dimensional standards. Torque wrenches and air tools can be serviced and recalibrated on request — contact us to arrange it.

Returns

Not right for the job? Contact us within 30 days of delivery and we'll sort out a return or exchange. Tools must be unused and in their original packaging. Warranty claims are handled separately — a defective tool is our problem, not yours.

Why Teng Tools?

Swedish Design Since 1985

Trusted in 30+ countries. Designed in Sweden, built to ISO and DIN standards.

Shipped Fast from Texas

US warehouse in Fort Worth, so orders move fast. TAA approved for government and defense.

Lifetime Warranty

Something goes wrong? Send a photo and your order number — same-day shipping on replacements.

The Devil Is in the Detail

Satin-finish wrenches, through-blade screwdrivers, heavy-gauge storage — built to last.

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