Reference Gauge
Magsquare ฉากช่างฐานแม่เหล็ก
SK-15
A square with one of its orthogonal reference planes magnetized. It is held by the magnet on an inclined face or back face for easy operation.
[mm]
Mass
Order No.
Squareness
A B C D E t
100 70 20
20 2.5 24 3.0
SK-10 SK-15 SK-20 SK-25
150 120 200 150
40
0.02+ A ‒‒‒‒ 10000
28
29 32
4.0
250 160 20
Precision Square with Base (JIS B7526) ฉากช่างกลึงแบบมีฐาน
• This is essential to measure straightness. • First class is hardened.
Stock No.546-1, 546-2
Unit=mm
Nominal Size
Long piece Base plate
Width of Long piece
Thickness of Long plece
Width of Base plate
Thickness Base Plate
Squareness (±µm)
Striaghtness (µm)
Order No.
Class
50 75
50 75
40 50 70
14 16 20 24 29 30 35 40 45 46 50 58 14 16 20 24 29 30 35 40 45 46 50 58
2.5 2.5 2.5
13 15 18 22 26 26 32 40 40 45 55 63 13 15 18 22 26 26 32 40 40 45 55 63
10 13 15 18 22 22 27 30 30 35 35 50 10 13 15 18 22 22 27 30 30 35 35 50
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
546-0050C2 546-0075C2 546-0100C2 546-0150C2 546-0200C2 546-0250C2 546-0300C2 546-0400C2 546-0450C2 546-0500C2 546-0600C2 546-0750C2 546-0050CQ 546-0075CQ 546-0100CQ 546-0150CQ 546-0200CQ 546-0250CQ 546-0300CQ 546-0400CQ 546-0450CQ 546-0500CQ 546-0600CQ 546-0750CQ
100 100 150 150 200 200 250 250 300 300 400 400 450 450 500 500 600 600 750 750 100 100 150 150 200 200 250 250 300 300 400 400 450 450 500 500 600 600 750 750 50 75 50 75
15
100 130 165 200 204 280 300 325 400
3 4 4 4 5 5 5 6 8
17.5
20
22.5
Second Class (UN-Hardened)
25 30
32.5
35 40
47.5
40 50 70
2.5 2.5 2.5
6.2 6.8 7.5 8.7
100 130 165 200 204 280 300 325 400
3 4 4 4 5 5 5 6 8
10
First Class (Hardened) (JIS B 7526)
11.2 12.5 16.2 17.5 15
20
23.7
JSR Entech Catalogue 309 jetco@jet.co.th
jet@jet.co.th
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