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Oetiker 18500056 Service Kit (2-Ear Clamps, zinc plated with standard jaw pincers)

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Specifications for this item
Number of Items
External Testing Certification
Item Shape
Double Ear
Material Type
Stainless Steel
Part Number
Brand Name
Manufacturer Series Number

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Key Features

  • Service kit of 2-ear clamps and pinch-clamp pincers for hoses and other air/fluid media lines
  • Zinc-plated steel clamp construction to help resist corrosion
  • Smooth deburred edges prevent damage to clamped hoses during expansion and contraction
  • Includes clamps in nine sizes ranging from 9mm (5/16") to 27mm (1") for hoses of varying diameters
  • Standard jaw pincers included for crimping clamp ears closed for tamper-resistant seals

Package Details

Shipping Weight: 2.8 pounds
Package Size: 10.8 x 6.7 x 1.8 inches

Product Description

The Oetiker 18500056 service kit includes 123 2-ear zinc-plated steel clamps in assorted sizes and comes with standard jaw pinch-clamp pincers for crimping the clamps onto hose, tube, coaxial cables, and other air and fluid media lines. Ear clamps (also called pinch clamps) are circular rings with one or two pinch points that pinch-clamp pincers can crimp for one-time installation; two-ear clamps accommodate a broader range of OD than one-ear clamps, and can be installed on thicker-walled hoses and tubes. The service kit's clamps are made of zinc-plated steel to help resist corrosion, and have smooth deburred edges to prevent damage as clamped hoses expand and contract in thermocycling or vibrating circumstances.

The kit includes 15 each of 9mm (5/16"), 11mm (3/8"), 13mm (1/2"), 15mm (9/16"), and 18mm (5/8") clamps and 12 each of 20mm (3/4"), 23mm (7/8"), 25mm (15/16"), and 27mm (1") clamps to fit hoses of varying diameters. It also comes with standard jaw pincers for crimping the clamp ears closed for tamper-resistant seals. The service kit comes in a storage case with compartments for each clamp size and for the pincers. The 2-ear clamps are suitable for industrial or original equipment manufacturing (OEM) applications, and are commonly used on ethylene propylene diene monomer (EPDM)rubber hose, plastic tubing, electrical cable, welding, and equipment hoses.

Oetiker manufactures hose clamps, rings, couplings, conveyor chains, hinged belts, and other connecting parts and accessories. The company, founded in 1942 and headquartered in Horgen, Switzerland, meets International Organization for Standardization/Technical Specification (ISO/TS) standard 16949.

What’s in the Box?
  • (15) 9mm (5/16") 2-ear clamps
  • (15) 11mm (3/8") 2-ear clamps
  • (15) 13mm (1/2") 2-ear clamps
  • (15) 15mm (9/16") 2-ear clamps
  • (15) 18mm (5/8") 2-ear clamps
  • (12) 20mm (3/4") 2-ear clamps
  • (12) 23mm (7/8") 2-ear clamps
  • (12) 25mm (15/16") 2-ear clamps
  • (12) 27mm (1") 2-ear clamps
  • Pair of standard jaw pincers
  • Storage case

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