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Cast Iron Parallel Straight Ruler

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Cast Iron Parallel Straight Rulers are widely used for setting up, leveling machinery, for checking and spotting bearing surfaces during hand-scraping operations. They also may be used with various indicating devices to check surface flatness of large machined areas like surface plates, machine tables and beds, etc.

Features of Cast Iron Straight Edge:

• Made from high quality cast iron.

• I-Section or Parallel type.

• Casting stress – relieved to remove internal stresses.

• Offered in hand-scrapped finish to various Grades.

• Top and bottom faces are precision ground parallel and flat.

• Offered in three Grades of accuracies: Grades 1, 2 and 3.

• Supplied with fine storing case for protection and storage.

These features make HENGFENG one of the best Cast Iron Straight Edge manufacturers in the industry.

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Specification:

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.

Material: HT200, HT250, HT300

Specification: see attached form or customize

Surface treatment: hand-scraped, ground finish, milling finish

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

Precision grade :1-3

Packaging: plywood box / fine storing case

Warranty: 1 year

Standard Sizes Available:

Size(mm)	Flatness			Parallelism
	Precision Degree(μm)
	GR “1”	GR “2”	GR “3”	GR “1”	GR “2”	GR “3”
500×100x60	6	12		9	18
750×100x60	8	15		12	25
1000×100x60	10	20		15	30
1200×100x60	12	24		18	36
1500×100x60	15	30		20	40
2000×150x80	20	40	80	27	54
2500×150x80	25	50	100	33	65	130
3000×180x100		60	120		78	156
3500×180x120		70	140		90	180
4000×180x120		80	160		100	200

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