Page 522 - Wurth Total Catalogue
P. 522
Wing pias countersunk head
®
The self-drilling screw with up to 50%
time savings when fastening wood to
metal sub-structures.
• Bimetal (stainless steel A2 drilling tip made of
case hardened steel).
• R S ERT -coated (silver).
®
Nominal dia. d in mm 3.9 4.8 5.5 • With tapping screw thread.
Head dia. dk max. in mm 7. 9.5 10.8 • Countersunk milling head for processing soft
Drilling tip length lp in mm 8 9 11 woods.
Drive AW20 AW25 AW25 • drive for optimum force transmission and
Drilling range (steel) in mm 1.5 - 2.4 2.0 - 4.0 2.0 - 5.0 care of the corrosion protection.
Nominal Length Max. attachment length* Art. No. Pack Qty.
dia. d l lB
mm mm mm
3.9 28 14 0215 883 928
38 24 0215 883 938 500
38 21 0215 884 838
4.8
44 27 0215 884 844
55 35 0215 885 555
5.5 65 45 0215 885 565 250
90 7 0215 885 590
* Wood thickness l and sub-structure thickness l = max. attachment length l B
U
H
Description of operation:
1. Drilling out of the wood by the wing prevents
forced advancement of the screw.
2. Drilling of the core hole in the sub-structure.
Breakage of the wing upon contact with the
metal.
3. First few threads of the screw cut the thread,
into which the screw then turns.
Note:
Wing piasta have to be approximately tested
®
for usability before each application. se only
application equipment with depth stop and claw
clutch.
AUS. pub. 11/12 ©
06 3690