Operation - Hilti DX E?72 Operating Instructions Manual

7.1.1 Minimum distances and spacing
Minimum distances and spacing when fastening to steel
Minimum distances and spacing when fastening to concrete
7.1.2 Depth of penetration
NOTE
Examples and specific information can be found in the Hilti Fastening Technology Manual.
Nail lengths for steel
ET
Nail lengths for concrete
ET

8 Operation

WARNING
Driving a fastener may cause flying fragments. The user
of the tool and bystanders must wear protective
glasses and a hard hat. Flying fragments present a
risk of injury to the eyes and body.
A min. edge distance = 15 mm (⁵⁄₈")
B min. spacing = 20 mm (³⁄₄")
C min. base material thickness = 4 mm (⁵⁄₃₂")
A min. edge distance = 70 mm (2³⁄₄")
b min. spacing = 80 mm (3¹⁄₈")
c min. base material thickness = 100 mm (4")
ET Depth of penetration: 12 ± 2 mm (½" ± ¹⁄₁₆")
ET Depth of penetration: 22 mm (max. 27 mm) (⁷⁄₈"
(max. 1"))
CAUTION
The fastener driving action is initiated by ignition of a
propellant charge. The operator and bystanders must
wear ear protectors. Exposure to noise can cause hear-
ing loss.
WARNING
Never make the tool ready to fire by pressing it against a
part of the body (e.g. the hand). This could cause a nail
en
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