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Probes/Accessories ARCHIVE

Rotating Probes (PR)

Rotating Probes (Reflection) are available in two options, Rigid Stainless Steel and Delrin Flexible.

Rigid stainless steel probes offer high wear resistance, where as the flexible probes are used where hole tolerances are poor and access is not directly in-line with the hole.

Probe Selector

We also supply a range of Rotary Drives for our Rotary Probes

Key Features 

  • Probe diameters from 1.6 to 50mm, available in 0.01mm steps
  • Fischer connector to Hocking, GE, Rohmann and Foerster drive units
  • Frequency range from 200kHz to 2MHz
  • Rigid stainless steel and Delrin flexible options

Rotating Probes Brochure (477.3KB)

Download our Probe Catalogue

Short Form Probe Catalogue (1.7MB)

ETher NDE Probe Catalogue (1.4MB)

Industries & Applications

Probe Selector

If you know which probe type you are looking for you can send us the item details from the table below to make your order. Copy the product information below and email to sales@ethernde.com

Rigid Rotating Probes (PRRxxx)

Part #DescriptionHocking Part #Diameter (”)Diameter (mm)Total Length
Imperial Examples
PRR0159-035Probe. Rotating, Rigid, Dia = 1.59mm (1/16”), wl = 35mm615P0351/16”1.5935
PRR0198-035Probe. Rotating, Rigid, Dia = 1.98mm (5/64”), wl = 35mm615P0055/64”1.9835
PRR0238-035Probe. Rotating, Rigid, Dia = 2.38mm (3/32”), wl = 35mm615P0063/32”2.3835
PRR0278-035Probe. Rotating, Rigid, Dia = 2.78mm (7/64”), wl = 35mm615P0077/64”2.8735
PRR0318-035Probe. Rotating, Rigid, Dia = 3.18mm (1/8”), wl = 35mm615P0081/8”3.1835
PRR0357-035Probe. Rotating, Rigid, Dia = 3.57mm (9/64”), wl = 35mm615P009,9/64”3.5735
PRR0397-035Probe. Rotating, Rigid, Dia = 3.97mm (5/32”), wl = 35mm615P010,5/32”3.9735
PRR0437-035Probe. Rotating, Rigid, Dia = 4.37mm (11/64”), wl = 35mm615P011,11/64”4.3735
PRR0476-035Probe. Rotating, Rigid, Dia = 4.76mm (3/16”), wl = 35mm615P012,3/16”4.7635
PRR0516-035Probe. Rotating, Rigid, Dia = 5.16mm (13/64”), wl = 35mm615P013,13/64”5.1635
PRR0556-035Probe. Rotating, Rigid, Dia = 5.56mm (7/32”), wl = 35mm615P014,7/32”5.5635
PRR0595-035Probe. Rotating, Rigid, Dia = 5.95mm (15/64”), wl = 35mm615P015,15/64”5.9535
PRR0635-035Probe. Rotating, Rigid, Dia = 6.35mm (1/4”), wl = 35mm615P016,1/4”6.3535
PRR0675-035Probe. Rotating, Rigid, Dia = 6.75mm (17/64”), wl = 35mm615P017,17/64”6.7535
PRR0714-035Probe. Rotating, Rigid, Dia = 7.14mm (9/32”), wl = 35mm615P018,9/32”7.1435
PRR0754-035Probe. Rotating, Rigid, Dia = 7.54mm (19/64”), wl = 35mm615P019,19/64”7.5435
PRR0794-035Probe. Rotating, Rigid, Dia = 7.94mm (5/16”), wl = 35mm615P020,5/16”7.9435
PRR0833-035Probe. Rotating, Rigid, Dia = 8.33mm (13/64”), wl = 35mm615P021,21/64”8.3335
PRR0873-035Probe. Rotating, Rigid, Dia = 8.73mm (11/32”), wl = 35mm615P022,11/32”8.7335
PRR0913-035Probe. Rotating, Rigid, Dia = 9.13mm (23/64”), wl = 35mm615P023,23/64”9.1335
PRR0953-035Probe. Rotating, Rigid, Dia = 9.53mm (3/8”), wl = 35mm615P024,3/8”9.5335
PRR0992-035Probe. Rotating, Rigid, Dia = 9.92mm (25/64”), wl = 35mm615P025,25/64”9.9235
PRR1032-035Probe. Rotating, Rigid, Dia = 10.32mm (13/32”), wl = 35mm615P026,13/32”10.3235
PRR1072-035Probe. Rotating, Rigid, Dia = 10.72mm (27/64”), wl = 35mm615P027,27/64”10.7235
PRR1111-035Probe. Rotating, Rigid, Dia = 11.11mm (7/16”), wl = 35mm615P028,7/16”11.1135
PRR1151-035Probe. Rotating, Rigid, Dia = 11.51mm (29/64”), wl = 35mm615P029,29/64”11.5135
PRR1191-035Probe. Rotating, Rigid, Dia = 11.91mm (15/32”), wl = 35mm615P030,15/32”11.9135
PRR1230-035Probe. Rotating, Rigid, Dia = 12.30mm (31/64”), wl = 35mm615P031,31/64”12.335
PRR1270-035Probe. Rotating, Rigid, Dia = 12.70mm (1/2”) wl = 35mm615P032,1/2”12.735
PRR1310-065Probe. Rotating, Rigid, Dia = 13.10mm (33/64”) wl = 65mm615P03333/64”13.165
PRR1350-065Probe. Rotating, Rigid, Dia = 13.50mm (17/32”) wl = 65mm615P03417/32”13.565
PRR1390-065Probe. Rotating, Rigid, Dia = 13.90mm (35/64”) wl = 65mm615P03535/64”13.965
PRR1430-065Probe. Rotating, Rigid, Dia = 14.30mm (9/16”) wl = 65mm615P0369/16”14.365
PRR1470-065Probe. Rotating, Rigid, Dia = 14.70mm (37/64”) wl = 65mm615P03737/64”14.765
PRR1510-065Probe. Rotating, Rigid, Dia = 15.10mm (19/32”) wl = 65mm615P03819/32”15.165
PRR1550-065Probe. Rotating, Rigid, Dia = 15.50mm (39/64”) wl = 65mm615P03939/64”15.565
PRR1590-065Probe. Rotating, Rigid, Dia = 15.90mm (5/8”) wl = 65mm615P0405/8”15.965
PRR1630-065Probe. Rotating, Rigid, Dia = 16.30mm (41/64”) wl = 65mm615P04141/64”16.365
PRR1670-065Probe. Rotating, Rigid, Dia = 16.70mm (21/32””) wl = 65mm615P04221/32”16.765
PRR1710-065Probe. Rotating, Rigid, Dia = 17.10mm (43/64”) wl = 65mm615P04343/64”17.165
PRR1750-065Probe. Rotating, Rigid, Dia = 17.50mm (11/16”) wl = 65mm615P04411/16”17.565
PRR1790-065Probe. Rotating, Rigid, Dia = 17.90mm (45/64”) wl = 65mm615P04545/64”17.965
PRR1830-065Probe. Rotating, Rigid, Dia = 18.30mm (23/32”) wl = 65mm615P04623/32”18.365
PRR1870-065Probe. Rotating, Rigid, Dia = 18.70mm (47/64”) wl = 65mm615P04747/64”18.765
PRR1910-065Probe. Rotating, Rigid, Dia = 19.10mm (3/4”) wl = 65mm615P0483/4”19.165
PRR1950-065Probe. Rotating, Rigid, Dia = 19.50mm (49/64”) wl = 65mm615P04949/64”19.565
PRR1980-065Probe. Rotating, Rigid, Dia = 19.80mm (25/32”) wl = 65mm615P05025/32”19.865
PRR2020-065Probe. Rotating, Rigid, Dia = 20.20mm (51/64”) wl = 65mm615P05151/64”20.265
PRR2060-065Probe. Rotating, Rigid, Dia = 20.60mm (13/16”) wl = 65mm615P05213/16”20.665
PRR2100-065Probe. Rotating, Rigid, Dia = 21.00mm (63/64”) wl = 65mm615P05353/64”2165
PRR2140-065Probe. Rotating, Rigid, Dia = 21.40mm (27/32”) wl = 65mm615P05427/32”21.465
PRR2180-065Probe. Rotating, Rigid, Dia = 21.80mm (55/64”) wl = 65mm615P05555/64”21.865
PRR2220-065Probe. Rotating, Rigid, Dia = 22.20mm (7/8”) wl = 65mm615P0567/8”22.265
PRR2260-065Probe. Rotating, Rigid, Dia = 22.60mm (57/64”) wl = 65mm615P05757/64”22.665
PRR2300-065Probe. Rotating, Rigid, Dia = 23.00mm (29/32”) wl = 65mm615P05829/32”2365
PRR2340-065Probe. Rotating, Rigid, Dia = 23.40mm (59/64”) wl = 65mm615P05959/64”23.465
PRR2380-065Probe. Rotating, Rigid, Dia = 23.80mm (15/16”) wl = 65mm615P06015/16”23.865
PRR2420-065Probe. Rotating, Rigid, Dia = 24.20mm (61/64”) wl = 65mm615P06161/64”24.265
PRR2460-065Probe. Rotating, Rigid, Dia = 24.60mm (31/32”) wl = 65mm615P06231/32”24.665
PRR2500-065Probe. Rotating, Rigid, Dia = 25.00mm (63/64”) wl = 65mm615P06363/64”2565
PRR2540-065Probe. Rotating, Rigid, Dia = 25.40mm (1.0”) wl = 65mm615P064125.465
Metric Examples:
PRR0300-035Probe. Rotating, Rigid, Dia = 3.00mm, wl = 35mm615P030M0353335
PRR0400-035Probe. Rotating, Rigid, Dia = 4.00mm, wl = 35mm615P040M0354435
PRR0500-035Probe. Rotating, Rigid, Dia = 5.00mm, wl = 35mm615P050M0355535
PRR0600-035Probe. Rotating, Rigid, Dia = 6.00mm, wl = 35mm615P060M0356635
PRR0700-035Probe. Rotating, Rigid, Dia = 7.00mm, wl = 35mm615P070M0357735
PRR0800-035Probe. Rotating, Rigid, Dia = 8.00mm, wl = 35mm615P080M0358835
PRR0900-035Probe. Rotating, Rigid, Dia = 9.00mm, wl = 35mm615P090M0359935
PRR1000-035Probe. Rotating, Rigid, Dia = 10.00mm, wl = 35mm615P100M035101035
PRR1100-035Probe. Rotating, Rigid, Dia = 11.00mm, wl = 35mm615P110M035111135
PRR1200-035Probe. Rotating, Rigid, Dia = 12.00mm, wl = 35mm615P120M035121235
PRR1300-035Probe. Rotating, Rigid, Dia = 13.00mm, wl = 35mm615P130M065131365
PRR1400-035Probe. Rotating, Rigid, Dia = 14.00mm, wl = 35mm615P140M065141465
PRR1500-035Probe. Rotating, Rigid, Dia = 15.00mm, wl = 35mm615P150M065151565
PRR1600-035Probe. Rotating, Rigid, Dia = 16.00mm, wl = 35mm615P160M065161665
PRR1700-035Probe. Rotating, Rigid, Dia = 17.00mm, wl = 35mm615P170M065171765
PRR1800-035Probe. Rotating, Rigid, Dia = 18.00mm, wl = 35mm615P180M065181865
PRR1900-035Probe. Rotating, Rigid, Dia = 19.00mm, wl = 35mm615P190M065191965
PRR2000-035Probe. Rotating, Rigid, Dia = 20.00mm, wl = 35mm615P200M065202065
PRR2100-035Probe. Rotating, Rigid, Dia = 21.00mm, wl = 35mm615P210M065212165
PRR2200-035Probe. Rotating, Rigid, Dia = 22.00mm, wl = 35mm615P220M065222265
PRR2300-035Probe. Rotating, Rigid, Dia = 23.00mm, wl = 35mm615P230M065232365
PRR2400-035Probe. Rotating, Rigid, Dia = 24.00mm, wl = 35mm615P240M065242465
PRR2500-035Probe. Rotating, Rigid, Dia = 25.00mm, wl = 35mm615P250M065252565

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Flexible Rotating Probes (PRFxxx)

Part #DescriptionHocking Part #Diameter (”)Diameter (mm)Total Length
Metric Examples:
PRF040-050051Probe, Rotating, Flexible, Dia = 4.0 – 5.0mm, wl = 51.00mm619P0104.0-5.051
PRF047-057051Probe, Rotating, Flexible, Dia = 4.7 - 5.7mm, wl = 51.00mm619P0124.7-5.751
PRF060-070051Probe, Rotating, Flexible, Dia = 6.0 – 7.0mm wl = 51.00mm619P0166.0-7.051
PRF078-080051Probe, Rotating, Flexible, Dia = 7.8 – 8.0mm wl = 51.00mm619P0207.8-8.051
PRF095-105051Probe, Rotating, Flexible, Dia = 9.5 – 10.5mm wl = 51.00mm619P0249.5-10.551
PRF111-121051Probe, Rotating, Flexible, Dia = 11.1 – 12.1mm wl = 51.00mm619P02811.1-12.151
PRF125-135051Probe, Rotating, Flexible, Dia = 12.5 – 13.5mm wl = 51.00mm619P03212.5-13.551
PRF140-150051Probe, Rotating, Flexible, Dia = 14.0 – 15.0mm wl = 51.00mm619P03614.0-15.051
PRF159-169051Probe, Rotating, Flexible, Dia = 15.9 – 16.9mm wl = 51.00mm619P04015.9-16.951
PRF175-185051Probe, Rotating, Flexible, Dia = 17.5 – 18.5mm wl = 51.00mm619P04417.5-18.551
PRF191-201051Probe, Rotating, Flexible, Dia = 19.1 – 20.1mm wl = 51.00mm619P04819.1-20.151
PRF206-216051Probe, Rotating, Flexible, Dia = 20.6 – 21.6mm wl = 51.00mm619P05220.6-21.651
PRF220-230051Probe, Rotating, Flexible, Dia = 22.0-23.0mm wl = 51.00mm619P05622.0-23.051
PRF235-245051Probe, Rotating, Flexible, Dia = 23.5-24.5mm wl = 51.00mm619P06023.5-24.551
PRF285-295051Probe, Rotating, Flexible, Dia = 28.5-29.5mm wl = 51.00mm619P07228.5-29.551
Imperial Examples:
PRF040-050051Probe, Rotating, Flexible, Dia = 4.0 – 5.0mm, wl = 51.00mm3/16”4.0-5.04.7651
PRF050-060051Probe, Rotating, Flexible, Dia = 5.0 – 6.0mm, wl = 51.00mm7/32”5.0-6.05.5651
PRF060-070051Probe, Rotating, Flexible, Dia = 6.0 – 7.0mm wl = 51.00mm1/4”6.0-7.06.3551
PRF070-080051Probe, Rotating, Flexible, Dia = 7.0 – 8.0mm wl = 51.00mm5/16”7.0-8.07.9451
PRF080-090051Probe, Rotating, Flexible, Dia = 8.0 – 9.0mm wl = 51.00mm21/64”8.0-9.08.3351
PRF090-100051Probe, Rotating, Flexible, Dia = 9.0 – 10.0mm wl = 51.00mm3/8”9.0-10.009.5351
PRF100-110051Probe, Rotating, Flexible, Dia = 10.0 – 11.0mm wl = 51.00mm13/32”10.0-11.0010.3251
PRF110-120051Probe, Rotating, Flexible, Dia = 11.0 – 12.0mm wl = 51.00mm7/16”11.0-12.0011.1151
PRF120-130051Probe, Rotating, Flexible, Dia = 12.0 – 13.0mm wl = 51.00mm1/2”12.00-13.0012.7051
PRF130-150051Probe, Rotating, Flexible, Dia = 13.0 – 15.0mm wl = 51.00mm9/16”13.00 - 15.0014.3051
PRF150-170051Probe, Rotating, Flexible, Dia = 15.0 – 17.0mm wl = 51.00mm5/8”15.00 - 17.0015.9051
PRF170-190051Probe, Rotating, Flexible, Dia = 17.0 – 19.0mm wl = 51.00mm11/16”17.00 - 19.0017.5051
PRF190-210051Probe, Rotating, Flexible, Dia = 19.0 – 21.0mm wl = 51.00mm3/4”19.00 - 21.0019.1051
PRF210-230051Probe, Rotating, Flexible, Dia = 21.0 – 23.0mm wl = 51.00mm7/8”21.00 - 23.0022.0051
PRF230-250051Probe, Rotating, Flexible, Dia = 23.0 – 25.0mm wl = 51.00mm15/16”23.00 - 25.0023.8051
PRF250-270051Probe, Rotating, Flexible, Dia = 25.0 – 27.0mm wl = 51.00mm1”25.00 - 27.0025.4051
PRF270-290051Probe, Rotating, Flexible, Dia = 27.0 – 29.0mm wl = 51.00mm1 1/8”27.00 - 29.0028.5751
PRF290-310051Probe, Rotating, Flexible, Dia = 29.0 – 31.0mm wl = 51.00mm1 3/16”29.00 - 31.0030.1751
PRF310-330051Probe, Rotating, Flexible, Dia = 31.0 – 33.0mm wl = 51.00mm1 1/4”31.00 - 33.0031.7551
PRF330-350051Probe, Rotating, Flexible, Dia = 33.0 – 35.0mm wl = 51.00mm1 3/8”33.00 - 35.0034.9351
PRF350-370051Probe, Rotating, Flexible, Dia = 35.0 – 37.0mm wl = 51.00mm1 7/16”35.00 - 37.0036.5151
PRF370-390051Probe, Rotating, Flexible, Dia = 37.0 – 39.0mm wl = 51.00mm1 1/2”37.00 - 39.0038.1051

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