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

ชื่อผลิตภัณฑ์	Granite V shape Block
วัสดุ	granite
สี	Black
ขนาด	636390 10010090 16016090
ระดับ	0 00 000
Standard	GB/T 20428-2006
บรรจุุภัณฑ์	กล่องไม้อัด
Surface treatment:	ground finish

พารามิเตอร์ผลิตภัณฑ์

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

ข้อกำหนด	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