Granite V-frame Marble V-frame

Granite V-frame is a benchmark measuring tool made of natural stone materials. It is an ideal reference plane for inspecting instruments, tools, and mechanical components, especially for high-precision measurements.

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Product Description

The V-shaped granite frame is made of "Jinan Qing" natural granite material through mechanical processing and manual precision grinding. Black luster, uniform structural texture, good stability, high strength, high hardness, granite V-shaped frame with advantages such as high precision, no rust, acid and alkali resistance, no magnetization, no deformation, and good wear resistance. Suitable for inspection, measurement, marking, and positioning work in the mechanical processing and component manufacturing industries.

Granite Measuring Tool V Shape Black Block

inoa mea kūʻai	Granite V shape Block
Mea waiwai	granite
kalakala	Black
Nui	636390 10010090 16016090
Papa	0 00 000
Standard	GB/T 20428-2006
Pūʻolo	pahu plywood
Surface treatment:	ground finish

Laina Huahana

Precision of granite V-frame: Level 000-1.

kikoʻī	Workface flatness		Parallelism of V-shaped groove to low surface		Parallelism of V-shaped grooves on opposite sides		The V-shaped groove faces symmetrically on both sides		V-groove side to end face symmetry			Verticality of V-shaped groove side to bottom			The height difference between a pair of V-shaped blocks and the bottom surface
	accuracy class
	0	1	0	1	0	1	0	1		0	1		0	1		0	1
63×63×90°	1.5	3	4	8	4	8	8	16		8	8		4	8		5	10
100×100×90°	2	4	4	8	4	8	8	16		8	8		4	8		5	10
160×160×90°	2.5	5	5	10	5	10	10	20		10	10		5	10		6	12

Huahana Huahana

precision granite plate

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Example Image — The World of Levels: Your Ultimate Guide to Precision Tools

When it comes to construction, woodworking, or any project requiring precision, having the right tools is essential.

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