Product Details
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8-10mm Three Point Internal Micrometers for Stable Measurement

Product Overview

This series of three-point internal micrometers provides precise bore diameter measurement with exceptional stability and accuracy. Featuring self-centering three-point contact design, these tools are ideal for measuring blind holes, deep bores, and through holes.

Key Features

Three-point micrometer centering self and aligning self
Measurement capability close to blind bore bottoms and deep holes with extension rods
Carbide-tipped contact points with ratchet stop
Supplied with setting rings for calibration
Included in fitted protective case

Technical Specifications

Available in multiple measuring ranges including 6-8mm, 8-10mm, 10-12mm, 12-16mm, 16-20mm, 20-25mm, 25-30mm, 30-40mm, and 40-50mm. Graduation is 0.001mm within 12mm/0.5" and 0.005mm over 12mm.

Metric Specifications

Order No.	Measuring Range	Graduation	Accuracy	Setting Rings	L1	A	Extension Rods
KM-2315-8	6-8mm	0.001mm	±0.004mm	Φ6mm	54.5mm	1.5mm	100mm
KM-2315-10	8-10mm	0.001mm	±0.004mm	Φ8mm	54.5mm	1.5mm	100mm
KM-2315-12	10-12mm	0.001mm	±0.004mm	Φ10mm	54.5mm	1.5mm	100mm
KM-2315-16	12-16mm	0.005mm	±0.004mm	Φ16mm	80mm	0.5mm	150mm
KM-2315-20	16-20mm	0.005mm	±0.004mm	Φ16mm	80mm	0.5mm	150mm
KM-2315-25	20-25mm	0.005mm	±0.004mm	Φ25mm	90mm	0.5mm	150mm
KM-2315-30	25-30mm	0.005mm	±0.004mm	Φ25mm	90mm	0.5mm	150mm
KM-2315-40	30-40mm	0.005mm	±0.004mm	Φ40mm	97mm	0.5mm	150mm
KM-2315-50	40-50mm	0.005mm	±0.005mm	Φ40mm	97mm	0.5mm	150mm

Inch Specifications

Order No.	Measuring Range	Graduation	Accuracy	Setting Ring	L1	A	Extension Rods
KM-2315-0.35	0.275-0.35″	0.001″	±0.00016″	0.275″	2.18″	0.06″	4″
KM-2315-0.42	0.35-0.42″	0.0001″	±0.00016″	0.35″	2.18″	0.06″	4″
KM-2315-0.5	0.425-0.5″	0.0001″	±0.00016″	0.5″	2.18″	0.06″	4″
KM-2315-0.65	0.5-0.65″	0.0002″	±0.00016″	0.65″	3.2″	0.02″	6″
KM-2315-0.8	0.65-0.8″	0.0002″	±0.00016″	0.65″	3.2″	0.02″	6″
KM-2315-1	0.8-1″	0.0002″	±0.00016″	1″	3.6″	0.02″	6″
KM-2315-1.2	1-1.2″	0.0002″	±0.00016″	1″	3.6″	0.02″	6″
KM-2315-1.6	1.2-1.6″	0.0002″	±0.00016″	1.6″	3.88″	0.02″	6″
KM-2315-2	1.6-2″	0.0002″	±0.0002″	1.6″	3.88″	0.02″	6″

Operation & Maintenance

Ensure measuring claw and scale are clean and dust-free to maintain measurement accuracy
Perform calibration before use to verify correct initial reading
Clean and apply anti-rust oil after each use to prevent corrosion
Store in dry, ventilated, dust-free environment away from moisture and heat
Not suitable for measuring holes with rough or burred surfaces

Applications

Three-point internal micrometers are primarily used for measuring holes and slotted holes. They are widely applied in machinery manufacturing, automotive manufacturing, aerospace, electronic components, and other industrial fields. With high measurement accuracy, ease of use, and simple operation, they have become essential tools for bore diameter measurement.

Company Information & Support

About Deko Corporation

Deko Corporation is dedicated to the development, manufacture, and marketing of KM brand precision measuring tools in China mainland.

Product Range

Dial indicators, micrometers, calipers, bore gauges, height gauges, dial thickness gauges, depth gauges, bevel protractors, gauge blocks, levels, and more.

Terms of Trade

We support FOB, CFR, CIF, and EXW.

Payment Methods

We accept T/T, L/C, D/A, D/P, PayPal, and etc..

Customization

Yes, OEM services are available.

After-Sales Service

One year warranty for all products. If you receive any defective accessories, we will ship replacement parts or new products. As an experienced manufacturer with strict calibration and inspection processes, you can trust our product quality.

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Categories	Three Point Internal Micrometers
Brand Name:	KM
Model Number:	KM-2315-10
Certification:	ISO DIN GB RoHS
Place of Origin:	Shaanxi, China
Payment Terms:	T/T,L/C,D/P,D/A,PayPal,etc.
Supply Ability:	50000pieces/Month
Delivery Time:	Within 15days
Packaging Details:	Aluminium Box 25188cm/Piece 0.76kg/Piece
Warranty:	One Year
Measurement:	Metric/Inch
Measurement Object:	Inside Diameter
Measuring Range:	8-10mm
Resolution:	0.001mm
Accuracy:	0.004mm
Feature:	Durable in Use
Processing:	Fine Lapping
Package:	Aluminium Box

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 instruments since the end of the last century in the national high technology development zone in Xi’an, where is also the first free trade zone of the Northwest in China. We are certified to ISO 9001, all our products are manufactured and calibrated critically to the exact standards&ISO9001 management standards.
	Precision Measuring Tools Our precision measuring tools mainly includes indicators (dial indicators, digital indicators, dial test indicator, special indicators, etc), micrometers(internal micrometers, outside micrometers, digital micrometers, micrometer heads, depth micrometers, special micrometers etc), calipers(digital, dial, vernier and depth calipers),bore gauges, height gauges (vernier, dial and digital type), dial gauges(thickness gauge, digital thickness gauge, inside and outside caliper gauge, dial snap gauge), depth gauge, bevel protractor, gauge blocks etc. These measuring instruments are widely used in the different metal working industries by the stable quality and good service, under the different international standard, GB, DIN, ANSI, etc.
Petroleum Pipe Thread Instruments Inner/outer threads taper measuring instruments, inner/outer threads pitch measuring instruments, inner/outer thread height measuring instruments are our main oil pipeline threads measuring products in the petroleum industry, which meet our national standard# JJF1063-2000 and JJG42-96 as well as API STD 5B standard too.
	Titanium Products As the main global participant of titanium industry, China have more than 60% of the global titanium product market share at present and Shannxi province is the main production base in the titanium industry in China, which famous as the titanium valley in the world. With this unique regional advantage, our company have been dedicating to the titanium finished products since the beginning of this century, such as titanium flange,piping parts, irregular shape workpieces, medical products, faster and more, which widely used in the aerospace, petroleum, shipping, medical, electronic, automotive industries etc.