Depth Micrometers

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Depth Micrometers are precision measuring instruments used to measure slots, steps, holes and projections with high accuracy. These instruments are ideal for use in manufacturing, machining...Read more

STARRETT -

440/445 Depth Micrometers

StyleModelBase LengthThimble TypeRangeRod Dia.Rod TypeRotating SpindleOperation TypeAccuracyPrice
A440Z-6L--------€696.07
B445DZ-6RL--------€925.52
C445DZ-3RL--------€749.11
D440Z-3RL2 1/2"Ratchet0" to 3"1/8"--Mechanical-0.0001" to +0.0001"€687.76
E440Z-6RL2 1/2"Ratchet0" to 6"1/8"--Mechanical-0.0001" to +0.0001"€772.27
F440Z-9RL2 1/2"Ratchet0" to 9"1/8"--Mechanical-0.0001" to +0.0001"€954.55
G440Z-3L2 1/2"Plain0" to 3"1/8"RoundNoMechanical-0.0001" to +0.0001"€688.26
H440Z-9L2 1/2"Plain0" to 9"1/8"InterchangeableYesMechanical-0.0001" to +0.0001"€793.82
I445BZ-6RL4"Ratchet0" to 6"5/32"Adjustable, SolidNoMechanical-0.0001" to +0.0001"€824.88
J445BZ-9RL4"Ratchet0" to 9"0.156"--Mechanical-0.0001" to +0.0001"€1,018.28
K445BZ-12RL4"Ratchet0" to 12"5/32"-NoMechanical-0.0001" to +0.0001"€1,170.38
L445DZ-9RL6"Ratchet-0.156"Interchangeable-Mechanical-0.0001" to +0.0001"€1,055.66
M445DZ-12RL6"Ratchet0" to 12"0.156"--Mechanical-0.0001" to +0.0001"€1,324.47
StyleModelRangeResolutionCompatible Data Output CableOperation TypeDepth Gauge TypeAccuracyBase LengthSpc OutputPrice
A1140-250" to 1"0.0005", 0.01 mmMfr. No. 7302-Spc5A/Spc5B, Mfr. No. 7305-A01/A02, Mfr. No. 7305-Spc2A, Mfr. No. 7306-20DigitalBlade Style With Round Tip-0.0008" to +0.0008"2 9/16"Yes€304.93
A1140-500" to 2"0.0005"Mfr. No. 7302-Spc5A/Spc5B, Mfr. No. 7305-Spc2A, Mfr. No. 7306-20DigitalBlade Style With Round Tip-0.0008" to +0.0008"2 9/16"Yes€341.47
StyleModelRangeBeam SizeReadibilityPrice
AC007/2000 mm to 200 mm9.6 mm x 4.5 mm0.02 mm€29.69
RFQ
AC007/3000 mm to 300 mm12 mm x 4 mm0.02 mm€36.95
RFQ
STARRETT -

3753B Electronic Depth Gages

StyleModelBase LengthRangeResolutionOperation TypeAccuracySpc OutputLong Form Calibration CertificateIp RatingPrice
A3751AZ-6/150-0" to 6", 0 mm to 150 mm0.0005"Digital+/-0.001", +/-0.02 mmNoNoNot Rated€774.57
B3753b-8/2003 15/16"--------
RFQ
C3753b-6/1503 15/16"--------
RFQ
STARRETT -

443 Micrometer Depth Gages With Half Base

StyleModelRangeResolutionOperation TypeAccuracyBase LengthBase StyleThimble TypeLong Form Calibration CertificatePrice
A443Z-9RL-------No€890.36
B443Z-6RL0" to 6"0.001"Mechanical-0.0001" to +0.0001"2"HalfRatchetNo€695.96
STARRETT -

749.1 Electronic Digital Micrometer Depth Gages

StyleModelRangeResolutionAccuracyBase LengthRod Dia.Thimble TypeLock Nut TypeLong Form Calibration CertificatePrice
A749.1BZ-6RL0 mm to 150 mm0.00005"-0.0001" to +0.0001"4"4 mmRatchetLeverNo€1,157.16
B749.1BZ-12RL0" to 12"0.001 mm-0.002 mm to +0.002 mm4"5/32"RatchetLeverNo€1,485.24
STARRETT -

642/642M Back-Plunger Dial Depth Gages

StyleModelBase LengthRangeResolutionOperation TypeBase StyleSpc OutputRod Dia.Long Form Calibration CertificatePrice
A642Z2 1/2"0" to 8.6"0.001"MechanicalFullNo1/4"No€1,122.66
B642AZ4"0" to 8.6"0.001"MechanicalFullNo1/4"No€1,089.21
STARRETT -

449 Micrometer Depth Gages, Non-Rotating Blades

StyleModelRangeBase LengthResolutionOperation TypeAccuracyBase StyleThimble TypeLong Form Calibration CertificatePrice
A449AZ-6R-------No€880.71
B449bz-3r---------
RFQ
C449AZ-3R0" to 3"2 1/2"0.001"Mechanical-0.0001" to +0.0001"FullRatchetNo€736.73
D449BZ-6R0" to 6"4"0.001"Mechanical-0.0001" to +0.0001"FullRatchetNo€973.24
MITUTOYO -

128 Series Depth Micrometers

StyleModelRangePrice
A128-103-€207.23
RFQ
A128-104-€219.11
RFQ
B128-1020 mm to 25 mm€216.00
A128-1050" to 1"€155.75
RFQ
MITUTOYO -

Depth Gauges

StyleModelRangeResolutionOperation TypeDepth Gauge TypeAccuracyBase LengthBase StyleSpc OutputPrice
A547-218S--------€657.67
B950-271--------€66.33
RFQ
C547-257S0" to 8"0.00005"DigitalExtension-0.0003" to +0.0003"2 1/2"FullYes€796.45
MITUTOYO -

129 Series Depth Micrometers

StyleModelRangeBase LengthAccuracyRod Dia.Price
A129-116-101.6 mm-4 mm€382.00
B129-112---4 mm€293.03
RFQ
B129-115-101.6 mm-4 mm€240.22
RFQ
B129-109--34 mm€186.11
RFQ
C129-1550 mm to 25 mm---€170.00
D129-1540 mm to 25 mm---€195.00
E129-1130 mm to 50 mm---€237.00
F129-1140 mm to 75 mm---€252.00
G129-1100 mm to 75 mm---€215.00
H129-1530 mm to 300 mm---€584.00
I129-1520 mm to 300 mm---€557.00
J129-1290" to 2"---€237.00
K129-1300" to 3"---€252.00
L129-1260" to 3"---€215.00
INSIZE -

Electronic Depth Gauge

StyleModelRangeResolutionDepth Gauge TypeAccuracyBase LengthCompatible Data Output CableCompatible Wireless TransmitterBlade WidthPrice
A1145-25A0" to 1", 0 mm to 25 mm0.0005"Blade Style With Round Tip-0.0012" to +0.0012"2 9/16"Mfr. No. 7302-Spc5A/Spc5B, Mfr. No. 7305-A01/A02, Mfr. No. 7305-Spc2A, Mfr. No. 7306-20Mfr. No. 7306-20-€197.54
B1148-100E0" to 4", 0 mm to 100 mm0.0005"Blade Style With Round Tip-0.0008" to +0.0008"3 11/32"Mfr. No. 7302-Spc5A/Spc5B, Mfr. No. 7305-A01/A02, Mfr. No. 7305-Spc2A, Mfr. No. 7306-20Mfr. No. 7306-200.157"€593.35
C1147-1500" to 6", 0 mm to 150 mm0.0005"Blade Style-0.0012" to +0.0012"3 15/16"Mfr. No. 7302-SPC5A/5B, Mfr. No. 7305-SPC2A, Mfr. No. 7306-20Mfr. No. 7306-200.197"€252.51
D1141-150A0" to 6", 0 mm to 150 mm0.0005"Blade Style-0.0012" to +0.0012"3 15/16"Mfr. No. 7302-SPC5A/5B, Mfr. No. 7305-SPC2A, Mfr. No. 7306-20Mfr. No. 7306-200.236"€163.37
E1141-200A0" to 8", 0 mm to 200 mm0.0005"Blade Style-0.0012" to +0.0012"3 15/16"Mfr. No. 7302-SPC5A/5B, Mfr. No. 7305-SPC2A, Mfr. No. 7306-20Mfr. No. 7306-200.236"€216.70
B1148-200E0" to 8", 0 mm to 200 mm0.0005"Blade Style With Round Tip-0.0012" to +0.0012"3 31/32"Mfr. No. 7302-Spc5A/Spc5B, Mfr. No. 7305-A01/A02, Mfr. No. 7305-Spc2A, Mfr. No. 7306-20Mfr. No. 7306-200.157"€723.60
C1147-2000" to 8", 0 mm to 200 mm0.0005"Blade Style-0.0012" to +0.0012"3 15/16"Mfr. No. 7302-SPC5A/5B, Mfr. No. 7305-SPC2A, Mfr. No. 7306-20Mfr. No. 7306-200.197"€317.95
F2141-201A0" to 12"0.0005", 0.01 mmExtension-0.0008" to +0.0008"2 31/64"Mfr. No. 7302-Spc3A, Mfr. No. 7305-Spc1A, Mfr. No. 7306-40Mfr. No. 7306-40-€495.48
F2141-202A0" to 12", 0 mm to 300 mm0.0005"Extension-0.0008" to +0.0008"4"Mfr. No. 7302-Spc3A, Mfr. No. 7305-Spc1A, Mfr. No. 7306-40Mfr. No. 7306-40-€594.96
C1147-3000" to 12", 0 mm to 300 mm0.0005"Blade Style-0.0012" to +0.0012"3 15/16"Mfr. No. 7302-SPC5A/5B, Mfr. No. 7305-SPC2A, Mfr. No. 7306-20Mfr. No. 7306-200.197"€674.40
D1141-300A0" to 12", 0 mm to 300 mm0.0005"Blade Style-0.0012" to +0.0012"5 29/32"Mfr. No. 7302-SPC5A/5B, Mfr. No. 7305-SPC2A, Mfr. No. 7306-20Mfr. No. 7306-200.236"€493.68
E1141-500A0" to 20", 0 mm to 500 mm0.0005"Blade Style-0.002" to +0.002"5 29/32"Mfr. No. 7302-SPC5A/5B, Mfr. No. 7305-SPC2A, Mfr. No. 7306-20Mfr. No. 7306-200.276"€866.14
INSIZE -

Electronic Depth Gages

StyleModelRangeBlade WidthResolutionOperation TypeDepth Gauge TypeAccuracyBase LengthBase StylePrice
A1142-150A0" to 6", 0 mm to 150 mm0.197"0.0005"DigitalBlade Style-0.0012" to +0.0012"3 15/16"Full€245.08
B1143-200A0" to 8", 0 mm to 200 mm0.059"0.0005"DigitalBlade Style-0.0012" to +0.0012"3 15/16"Full€379.63
INSIZE -

Depth Gages

StyleModelRangeAccuracyBase LengthRod Dia.Stroke LengthOperation TypeBase StyleGraduationsPrice
A2341-E10" to 1.2"-0.0012" to +0.0012"2 1/2"0.197"1/2"MechanicalFull0.001"€162.68
B2341-2E20" to 12"-0.002" to +0.002"4"0.157"1"MechanicalFull0.001"€313.28
WESTWARD -

Depth Micrometers

StyleModelRangeOperation TypeAccuracyThimble TypeSpindle MaterialAnvil MaterialRod Dia.Lock Nut TypePrice
A4KY220" to 6", 0 mm to 150 mmDigital-0.00016" to +0.00016"FrictionSteelSteel0.175"Lever€243.28
B4KY230" to 22"Mechanical-0.001" to +0.001"Spring LoadedHardened SteelHardened Steel0.177"Thumb Screw€273.44
STARRETT -

Electronic Depth Gages

StyleModelRangeDepth Gauge TypeAccuracyBase LengthSpc OutputLock Nut TypeCoolant ResistantResolutionPrice
A3753A-6/1500" to 6", 0 mm to 150 mmAdjustable-0.001" to +0.001"2 3/4"NoSlideNo0.0005"€691.21
B3753A-8/2000" to 8", 0 mm to 200 mmBlade Style-0.002" to +0.002"2 3/4"NoSlideNo0.0005"€745.44
C5004BZ-24/6000" to 24", 0 mm to 600 mmBlade Style With Round Tip-0.002" to +0.002"4"YesThumb ScrewYes0.0005"€2,598.79
MITUTOYO -

Dial Depth Gauges

StyleModelRangeOperation TypeBase LengthSpc OutputMin. MeasurementContact Point ShapeAccuracyBase StylePrice
A527-102--------€281.10
B527-101--------€245.53
B527-114--------€1,041.15
C571-215-100 mm to 600 mmDigital9.8"Yes0 mmFlat-0.002" to +0.002"Full€1,170.33
D7217A0" to 8"Mechanical2 1/2"No0.0"Ball-0.002" to +0.002"Full€432.67
STARRETT -

3805B Electronic Durometers

StyleModelMPN
A3805B3805B
RFQ
B3805D3805D
RFQ
STARRETT -

Depth Micrometer Replacement Rods

StyleModelIp RatingPrice
APT99382--
RFQ
BPT99532--
RFQ
CPT99486--
RFQ
DPT99461--
RFQ
EPT99268--
RFQ
FPT99266--
RFQ
FPT99183--
RFQ
GPT99536--
RFQ
HPT99533--
RFQ
IPT99310--
RFQ
FPT99489--
RFQ
JPT99309--
RFQ
KPT99306--
RFQ
LPT99117--
RFQ
MPT99116--
RFQ
NPT99396--
RFQ
OPT99395--
RFQ
PPT99394--
RFQ
QPT99385--
RFQ
FPT99488--
RFQ
RPT99490--
RFQ
SPT99378--
RFQ
TPT99349--
RFQ
UPT99457--
RFQ
VPT99331--
RFQ
STARRETT -

640 Series Wireless Electronic Depth Gage

StyleModelRangeResolutionAccuracy
AW640JZ0" to 0.5"0.0005"-0.001" to +0.001"
RFQ
BW643JZ0" to 0.125"0.0005"-0.001" to +0.001"
RFQ
CW644JZ0" to 3"0.0005"-0.001" to +0.001"
RFQ
STARRETT -

640/640M Dial Depth Gages

StyleModelDial ReadingOperation TypeDepth Gauge TypeBase LengthBase StyleRangeGraduationsMin. MeasurementPrice
A640MPZ---------
RFQ
B640MRP---------
RFQ
C640MRPZ---------
RFQ
D640JZ0 µm to 50 µmMechanicalSolid Plunger Depth Gauge2 1/2"Full-0.0005"0.0"€793.27
E640RJZ0-50MechanicalSolid Plunger Depth Gauge2 1/2"Full0" to 1/2"0.0005"0.0"€909.46

Depth Micrometers

Depth micrometers are used to measure the depth of a recess, hole or slot. Raptor Supplies offers a vast range of depth micrometers from brands like Starrett, Johnson, Westward, Brown & Sharpe and Mitutoyo. Starrett depth micrometers are designed for measuring depths of slots, holes, projections and shoulders. These micrometers are equipped with ring-type knurled lock nuts to ensure quick and safe locking. With a resolution of 0.001 inch, they can sense depths up to 3 inches. Westward depth micrometers (0 to 6 inch range) feature a flat anvil made of hardened steel to ensure flexibility and wear resistance. They come equipped with snap-fit rods for stress-free operation and provide 0.001 inch resolution. These depth micrometers are available in base lengths ranging from 75 mm to 6 inches.

Working Mechanism

  • These depth micrometers consist of a spindle that can be adjusted by rotating a thimble until the rod / beam contacts the bottom of the hole being measured.
  • As the spindle reaches the bottom, a reading can be determined manually with graduations along a vernier scale or is shown on the digital display (in the case of electronic depth micrometers).

Frequently Asked Questions

What is a spindle?

A spindle is attached to a thimble (the rotating component of the micrometer) and moves towards the anvil to measure the dimension of the part being measured.

Is Mitutoyo depth micrometer corrosion-resistant?

Yes, the micrometre's moving components, that is, the thimble and sleeve have satin chrome finish for excellent strength and corrosion resistance.

How do I maintain my depth micrometer?

  • Keep the micrometer clean and free of dust or debris.
  • Avoid dropping or impacting the tool to prevent damage.
  • Store the tool in a protective case when not in use.
  • Regularly calibrate the tool by a qualified technician for improved accuracy.