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Cast Iron Machine Checking Square(Frame Type)

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Cast Iron Machine Checking Squares (Frame Type) are made of high tensile cast iron, and used mainly for gauging, inspection, squareness testing and for checking three axis geometric accuracies of machine tools.

Features of Cast Iron Square Ruler:

• Made from high quality Cast Iron, casting duly stress relieved.

• Working surfaces and sides offered with hand-scrapped finish.

• Four working surfaces provided.

• Finer accuracies can also be achieved on request at extra cost.

• Normal packaging is plywood box, fine storing case provided on request at extra cost.

These features make HENGFENG one of the best Cast Iron Square Ruler manufacturers in the industry.

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Specification:

Material: HT200, HT250, HT300

Specification: see attached form or customize

Surface treatment: hand-scraped or finish-milling

Surface coating: working surface covered with pickling oil and non-working surface covered with antirust paint

Precision grade: 1-2

Packaging: plywood box / fine storing case

Warranty: 1 year

OEM or ODM Service: we offer a wide range of services from standard Cast Iron Square Rulers to custom order as per request.

Calibration Certificate: EX-works inspection reports offered by our Quality Inspection Department are included with every surface plate, “Calibration Certificate” is available upon request for an additional charge.

Delivery Costs: calculated during the checkout process.

Standard Size Availabble

No.	Size L x B x H(mm)	Flatness		Squareness				Parallelism
		Precision Degree (μm)
		GR “1”	GR “2”		GR “3”	GR “1”	GR “”2		GR “3”
1	200×200×30	8	16		3	6	8		16
2	250×250×30	9	18		8	8	9		18
3	300×300×30	10	20		9	9	10		20
4	400×400×40	12	24		10	10	12		24
5	500×500×50	14	28		12	12	14		28
6	600×600×50	16	32		14	14	16		32

*Other sizes and types can be manufactured as per requirement.