South West Fasteners Ltd logo South West Fasteners Ltd
Home About us Services Contact us
South West Fasteners Products
Bolts
Screws
Nuts
Washers
Socket Screws
Studding
Fixings
Pins
Rivets
Nails
Construction Fasteners
Sheet Metal Fasteners
Petrochemical / Pipeline Fasteners
Security Fasteners
Tools
Industrial Adhesives
Safety and Personal Protection
Janitorial Supplies
Contact South West Fasteners Ltd
Tel +44 1452 424346
Fax +44 1452 309313
Unit 1 Shepherd Road
Gloucester
GL2 5EL
info@swfasteners.com
Wood Screws
WOODSCREWS are primarily used for connecting wood to wood, and provide a much greater clamping force than nails and are able to be removed for disassembly when required. There are many different types available with the most popular being hardened TWIN or SINGLE thread, in CSK, RND or RAISED head styles.

Metric DIN 7997
Gauge 4 6 7 8 10 12
d1 (dia of unthreaded shank) max 1.80 2.36 2.59 2.92 3.35 3.83
d1 (dia of unthreaded shank) min 1.70 2.26 2.46 2.79 3.22 3.70
d2 (head dia) max 5.46 6.90 7.60 8.33 9.75 11.17
d2 (head dia) min 5.21 6.55 7.23 7.90 9.27 10.61
k (depth of head) max 2.06 2.54 2.77 3.00 3.45 3.91
k (depth of head) min 1.80 2.29 2.51 2.72 3.18 3.61
Recess No 1 2 2 2 2 3

Materials
A2/304 Stainless Steel
A4/316 Stainless Steel
Aluminium
Brass
Case Hardened

 

Finishes
Bright zinc plated
Zinc and yellow
Black zinc
Nickel