Reference Gauge
Precision Square Flat Type (JIS B7526) ฉากช่างกลึงแบบเรียบ
• This is essential to measure straightness. • First class is hardened.
Unit=mm
Striaghtness (µm)
Nominal Size
Long piece
Base plate Width Thickness
Squareness (±µm)
Order No. 547-00502 547-00752 547-01002 547-01502 547-02002 547-02502 547-03002 547-04002 547-04502 547-05002 547-06002 547-07502 547-0050CQ 547-0075CQ 547-0100CQ 547-0150CQ 547-0200CQ 547-0250CQ 547-0300CQ 547-0400CQ 547-0450CQ 547-0500CQ 547-0600CQ 547-0750CQ
Class
50 50 40 15 75 75 50 18 100 100 70 20 150 150 100 25 200 200 130 25 250 250 165 30 300 300 200 30 400 400 200 40 450 450 235 40 500 500 300 46 50 50 40 14 75 75 50 16 100 100 70 20 150 150 100 25 200 200 130 25 250 250 165 30 300 300 200 30 400 400 200 40 450 450 235 40 500 500 300 40
3 3 4 5 6 6 6 8 8 8 3 3 4 5 6 6 6 8 8 8
26.0 28.0 30.0 36.0 40.0 44.0 50.0 60.0 66.0 70.0 80.0 96.0 13.0 14.0 15.0 18.0 20.0 22.0 25.0 30.0 33.0 35.0 40.0 48.0
12.5 13.7
15
17.5
20
22.5
25 30 35 40
32.5
Stock No.547-1, 547-2
600 600 300 50 10 750 750 400 58 10
47.5
6.2 6.8 7.5 8.7 10
11.2 12.5 16.2 17.5 15
600 600 300 50 10 750 750 400 50 10
20
23.7
Knife Edged Standard Square III Type (JIS B 7526) ฉากช่างกลึงแบบคมมีดสองด้าน
• Both external and internal angles are shaped like knife. • All size is hardened.
Stock No.550-III
Unit=mm
Nominal Size
Long piece
Base plate Width Thickness
Squareness (±µm)
Order No. 550-0503 550-0753 550-1003 550-1503 550-2003 550-2503 550-3003
50 75
50 75
40 15 50 20 70 25 100 30 130 35 165 35 200 40
4 5 6 8
2.5 2.8 3.0 3.5 4.0 4.5 5.0
100 150 200 250 300
100 150 200 250 300
10 10 15
• Its external angle is sharpened like a knife, the light coming from the gap between this square and object tells an error in squareness. • All size is hardened. Knife Edged Standard Square I Type (JIS B 7526) ฉากช่างกลึงแบบคมมีดด้านเดียว
Stock No.550
Unit=mm
Nominal Size
Long piece
Base plate Width Thickness
Squareness (±µm)
Order No.
50 75
50 75
40 50 70
12 16 20
8
2.5 2.8 3.0 3.5 4.0 4.5 5.0
550-050 550-075 550-100 550-150 550-200 550-250
10 12 14 16 16 20
100 150 200 250
100 150 200 250
100 24 130 29 165 32 200 35
JSR Entech Catalogue 310 550-300 300 300
jet@jet.co.th
jetco@jet.co.th
Powered by FlippingBook