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1000-3000mm Wide Range Rod Type Inside Micrometer Measuring Device
Tubular inside micrometers consist of a measuring head and tubular extension rods. The combination of extension rods provides a wide measuring range, while the tubular design allows for easy insertion into the object being measured. The measuring head delivers precise readings of internal diameters.
Available in ranges from 50-100mm up to 50-1500mm to suit various applications, all our tubular inside micrometers come with protective case packaging.
Key Features
Graduation: 0.01mm (Metric) / 0.001" (Inch).
Extension rod combination provides wide measuring range.
Extension rod diameter: φ28mm.
Accuracy: (7+n+L/50)μm (n=number of rods, L=max measuring length in mm/inches).
Specifications - Metric
Order No.
Measuring Range
Extension Rods
KM-3313-1050
1000-1050mm
Micrometer head
KM-3313-2000
1000-2000mm
50mm, 100mm(2pcs.), 200mm, 500mm
KM-3313-3000
1000-3000mm
50mm, 100mm(2pcs.), 200mm, 500mm, 1000mm
KM-3313-4000
1000-4000mm
50mm, 100mm(2pcs.), 200mm, 500mm, 1000mm(2pcs.)
KM-3313-5000
1000-5000mm
50mm, 100mm(2pcs.), 200mm, 500mm, 1000mm(3pcs.)
Specifications - Inch
Order No.
Measuring Range
Extension Rods
KM-3313-42
40-42"
Micrometer head
KM-3313-80
40-80"
2", 4"(2pcs.), 8", 20"
KM-3312-120
40-120"
2", 4"(2pcs), 8", 20", 40"
KM-3312-160
40-160"
2", 4"(2pcs), 8", 20", 40"(2pcs)
KM-3312-200
40-200"
2", 4"(2pcs), 8", 20", 40"(3pcs)
Applications
Tubular inside micrometers are precision instruments designed for measuring internal diameters of pipes, tubes, and other cylindrical objects with narrow openings. These reliable tools are essential for quality control in manufacturing, automotive, and construction industries.
Precautions
Always connect the largest extension rod to the micrometer head first, then add other rods in sequence to minimize axis bending.
Check for variation when the micrometer head is fixed and loosened during measurement.
Ensure proper bearing position during measurement.
Frequently Asked Questions
Who are we?
Deko Corporation specializes in developing, manufacturing, and marketing KM brand precision measuring tools in China mainland.
What products do we carry?
Our product line includes dial indicators, micrometers, calipers, bore gauges, height gauges, dial thickness gauges, depth gauges,
bevel protractors, gauge blocks, levels, and more.
What are the terms of trade?
We support FOB, CFR, CIF, and EXW trade terms.
What are the forms of payment?
We accept T/T, L/C, D/A, D/P, PayPal, and etc..
Do we accept customization?
Yes, OEM services are available.
How about after-sales service?
All products come with a one-year warranty. We will replace any defective parts or products received. Our strict calibration and inspection processes
ensure product quality you can trust.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Trading Company
Year Established:
2010
Total Annual:
3000000-5000000
Employee Number:
100~200
Ecer Certification：
Verified Supplier
As one strategic partner of the China aviation industry,
Deko Corporation mainly dedicate to the development,
manufacture and marketing of KM brand small precision
CNC lathes, precision measuring instruments, petroleum
oil pipe thread measuring instrument...
As one strategic partner of the China aviation industry,
Deko Corporation mainly dedicate to the development,
manufacture and marketing of KM brand small precision
CNC lathes, precision measuring instruments, petroleum
oil pipe thread measuring instrument...
