User Manual

CDMA2000 BTS SCBS-519L10 Installation Manual/Ed.01
© SAMSUNG Electronics Co., Ltd. 2-9
Figure 2.5 Drilling and Anchoring
M12
M represents mm and is used for specifications of bolts, nuts, and washers.
For example, M12 nut means that the effective diameter is 12 mm. Effective
diameter is the radius of a circle connected by middle points between the outer
and inner diameters.
Inner diameter
Outer diameter
Effective diameter
Nut
Spring Washer
Plane Washer
Anchoring completion
70
Anchor Bolt
Floor
(M12 Anchor-Bolt case)
20