I Beam Type Straight Edge

Model Grade A: Obishi EA101, EA102, EA103, EA104, EA105, EA106, EA107, EA108, EA109, EA110, EA201, EA202, EA203, EA204, EA205, EA206, EA207, EA208, EA209, EA210

Model Grade B: Obishi EA301, EA302, EA303, EA304, EA305, EA306, EA307, EA308, EA309, EA310, EA401, EA402, EA403, EA404, EA405, EA406, EA407, EA408, EA409, EA410

• Use for inspection of machined surfaces and as standard guide.
• I type with minimal strain.
• The precision surface is graduated excluding 20mm form both edges. (Same for Nominal Measurement).
• In order to makeproducts 1500mm and above more portable a handling hole is provided.

Grade A

Nominal Measurement	Measurement (L×H×Wmm)	Hardened	Non Hardened	Straightness , Parallellism (μm)	Weight (kg)
		Code No.	Code No.
500	540×50×10	EA101	EA201	7	2.0
750	790×60×12	EA102	EA202	9.5	3.8
1000	1040×60×12	EA103	EA203	12	5.0
1500	1540×70×15	EA104	EA204	17	9.5
2000	2040×90×20	EA105	EA205	22	22.0
2500	2540×100×20	EA106	EA206	27	35.0
3000	3040×120×22	EA107	EA207	32	45.5
3500	3540×135×22	EA108	EA208	37	65.0
4000	4040×140×25	EA109	EA209	42	75.0
5000	5040×150×30	EA110	EA210	52	130.0

Grade B

Nominal Measurement	Measurement (L×H×Wmm)	Hardened	Non Hardened	Straightness , Parallellism (μm)	Weight (kg)
		Code No.	Code No.
500	540×50×10	EA301	EA401	20	2.0
750	790×60×12	EA302	EA402	25	3.8
1000	1040×60×12	EA303	EA403	30	5.0
1500	1540×70×15	EA304	EA404	40	9.5
2000	2040×90×20	EA305	EA405	50	22.0
2500	2540×100×20	EA306	EA406	60	35.0
3000	3040×120×22	EA307	EA407	70	45.5
3500	3540×135×22	EA308	EA408	80	65.0
4000	4040×140×25	EA309	EA409	90	75.0
5000	5040×150×30	EA310	EA410	110	130.0