EFC International
EFC International
1940 Craigshire St. Louis,
MO 63146-4008
Phone: 1 314.434.28881
Contact: www.efc-intl.com/contact
Website: www.efc-intl.com
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Oetiker® Stepless Ear Clamps have no steps or gaps on their inner circumference, providing uniform compression with a 360° seal. They are especially well-suited to applications involving flexible and inflexible thin-walled hoses. Heavy-Duty parts listed on this page have 10mm wide bands.
167 Series 10 Millimeter (mm) Wide Heavy-Duty Stepless Ear Clamps
Unit of Measure
1 2 

Item #

Item Name

Clamp Size

Material Thickness (Decimal)

Band Width (Decimal)

14000417-D19Q N/A 167 Series 25.7 to 26.9 Millimeter (mm) Heavy Duty Stepless Ear Clamp N/A 1.012 to 1.059 in25.7 to 26.9 mm N/A 0.031 in0.8 mm N/A 0.394 in10.00 mm
14000417-19Q N/A 167 Series 25.7 to 26.9 Millimeter (mm) Heavy Duty Stepless Ear Clamp N/A 1.012 to 1.059 in25.7 to 26.9 mm N/A 0.031 in0.8 mm N/A 0.394 in10.00 mm
14000418-D19Q N/A 167 Series 26.4 to 29.6 Millimeter (mm) Heavy Duty Stepless Ear Clamp N/A 1.039 to 1.165 in26.4 to 29.6 mm N/A 0.031 in0.8 mm N/A 0.394 in10.00 mm
14000418-19Q N/A 167 Series 26.4 to 29.6 Millimeter (mm) Heavy Duty Stepless Ear Clamp N/A 1.039 to 1.165 in26.4 to 29.6 mm N/A 0.031 in0.8 mm N/A 0.394 in10.00 mm
14000419-D19Q N/A 167 Series 28.8 to 32 Millimeter (mm) Heavy Duty Stepless Ear Clamp N/A 1.134 to 1.260 in28.8 to 32 mm N/A 0.031 in0.8 mm N/A 0.394 in10.00 mm
14000419-19Q N/A 167 Series 28.8 to 32 Millimeter (mm) Heavy Duty Stepless Ear Clamp N/A 1.134 to 1.260 in28.8 to 32 mm N/A 0.031 in0.8 mm N/A 0.394 in10.00 mm
14000420-D19Q N/A 167 Series 29.5 to 32.7 Millimeter (mm) Heavy Duty Stepless Ear Clamp N/A 1.161 to 1.287 in29.5 to 32.7 mm N/A 0.031 in0.8 mm N/A 0.394 in10.00 mm
14000420-19Q N/A 167 Series 29.5 to 32.7 Millimeter (mm) Heavy Duty Stepless Ear Clamp N/A 1.161 to 1.287 in29.5 to 32.7 mm N/A 0.031 in0.8 mm N/A 0.394 in10.00 mm
14000422-D19Q N/A 167 Series 30.5 to 33.7 Millimeter (mm) Heavy Duty Stepless Ear Clamp N/A 1.201 to 1.327 in30.5 to 33.7 mm N/A 0.031 in0.8 mm N/A 0.394 in10.00 mm
14000422-19Q N/A 167 Series 30.5 to 33.7 Millimeter (mm) Heavy Duty Stepless Ear Clamp N/A 1.201 to 1.327 in30.5 to 33.7 mm N/A 0.031 in0.8 mm N/A 0.394 in10.00 mm
14000423-19Q N/A 167 Series 30.8 to 34 Millimeter (mm) Heavy Duty Stepless Ear Clamp N/A 1.213 to 1.339 in30.8 to 34 mm N/A 0.031 in0.8 mm N/A 0.394 in10.00 mm
14000424-D19Q N/A 167 Series 31.4 to 34.6 Millimeter (mm) Heavy Duty Stepless Ear Clamp N/A 1.236 to 1.362 in31.4 to 34.6 mm N/A 0.031 in0.8 mm N/A 0.394 in10.00 mm
14000424-19Q N/A 167 Series 31.4 to 34.6 Millimeter (mm) Heavy Duty Stepless Ear Clamp N/A 1.236 to 1.362 in31.4 to 34.6 mm N/A 0.031 in0.8 mm N/A 0.394 in10.00 mm
14000425-19Q N/A 167 Series 32.2 to 35.4 Millimeter (mm) Heavy Duty Stepless Ear Clamp N/A 1.268 to 1.394 in32.2 to 35.4 mm N/A 0.031 in0.8 mm N/A 0.394 in10.00 mm
14000421-D19Q N/A 167 Series 33 to 39.8 Millimeter (mm) Heavy Duty Stepless Ear Clamp N/A 1.299 to 1.567 in33 to 39.8 mm N/A 0.031 in0.8 mm N/A 0.394 in10.00 mm
14000421-19Q N/A 167 Series 33 to 39.8 Millimeter (mm) Heavy Duty Stepless Ear Clamp N/A 1.299 to 1.567 in33 to 39.8 mm N/A 0.031 in0.8 mm N/A 0.394 in10.00 mm
14000426-19Q N/A 167 Series 33.3 to 36.5 Millimeter (mm) Heavy Duty Stepless Ear Clamp N/A 1.311 to 1.437 in33.3 to 36.5 mm N/A 0.039 in0.8 mm N/A 0.394 in10.00 mm
14000427-19Q N/A 167 Series 34.5 to 37.7 Millimeter (mm) Heavy Duty Stepless Ear Clamp N/A 1.358 to 1.484 in34.5 to 37.7 mm N/A 0.039 in1 mm N/A 0.394 in10.00 mm
14001207-19Q N/A 167 Series 37.2 Millimeter (mm) Heavy Duty Stepless Ear Clamp N/A 1.465 in37.2 mm N/A 0.031 in0.8 mm N/A 0.394 in10.00 mm
14000428-19Q N/A 167 Series 78.3 to 81.5 Millimeter (mm) Heavy Duty Stepless Ear Clamp N/A 3.083 to 3.209 in78.3 to 81.5 mm N/A 0.039 in1 mm N/A 0.394 in10.00 mm
14000429-19Q N/A 167 Series 80.3 to 83.5 Millimeter (mm) Heavy Duty Stepless Ear Clamp N/A 3.161 to 3.287 in80.3 to 83.5 mm N/A 0.039 in1 mm N/A 0.394 in10.00 mm
14000430-D19Q N/A 167 Series 85.6 to 88.8 Millimeter (mm) Heavy Duty Stepless Ear Clamp N/A 3.370 to 3.496 in85.6 to 88.8 mm N/A 0.039 in1 mm N/A 0.394 in10.00 mm
14000430-19Q N/A 167 Series 85.6 to 88.8 Millimeter (mm) Heavy Duty Stepless Ear Clamp N/A 3.370 to 3.496 in85.6 to 88.8 mm N/A 0.039 in1 mm N/A 0.394 in10.00 mm
14000431-D19Q N/A 167 Series 86.4 to 89.6 Millimeter (mm) Heavy Duty Stepless Ear Clamp N/A 3.402 to 3.528 in86.4 to 89.6 mm N/A 0.039 in1 mm N/A 0.394 in10.00 mm
14000431-19Q N/A 167 Series 86.4 to 89.6 Millimeter (mm) Heavy Duty Stepless Ear Clamp N/A 3.402 to 3.528 in86.4 to 89.6 mm N/A 0.039 in1 mm N/A 0.394 in10.00 mm
Unit of Measure
1 2