DRILLNOX 4DFN TH8 A4+Rd

Double thread self-drilling screw Ø5. 5 /bi-metal stainless steel A4-steel drill point with natural hexagonal head mounted with a washer, for steel support 4 mm max.

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Advantages

Drill tip and introduction thread in zinc-plated cemented steel.
Its double thread (Ø7 ext. ) under the head prevents deformation of the outer skin when tightening the sandwich panel.

Type of the screw tip	Self-drilling tip
With flange	True
Flange head diameter	10,5 mm
Type of thread	Double hi-thread
Drilling capacity mini	1,5 1.5
Pre-drilling	Without pre-drilling
Product material	Bi-metal (A4 stainless steel / Steel)
Drilling capacity maxi	4
Head shape	Hex. Head
pattern hexagonal	TH 8
Material of the screw head	A4 Stainless steel
Laquering	Natural head & washer
With washer/ seal	True
Type of the washer	Vulca washer
Material of the washer/ Seal	A2 Stainless steel / EPDM
Thickness of the flange	1 mm
Resistance to corrosion	30 Kesternich cycles
Installation mode	Installation with hexagonal screwdriving
Supporting material	Steel
Diameter on thread	5,5 mm
Thread pitch	1,81 mm
Head height	5,4 mm

5 features on 22

Generic code	CP mini Drilling capacity mini	CP maxi Drilling capacity maxi	L (mm) Length	CS mini (mm) Minimum clamping capacity	CA maxi (mm) Maximum assembly capacity
378063DRILLNOX 4DFN TH8 A4 5.5x125I19	1.5	4	125	50	104	See detail
378064DRILLNOX 4DFN TH8 A4 5.5x145I19	1.5	4	145	70	124	See detail
378065DRILLNOX 4DFN TH8 A4 5.5x175I19	1.5	4	175	100	154	See detail