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Pozi Pan Flange Tapping Screw (AB) No.4 x 13mm in Zinc Plated Steel - BS 4174

Self tapping screws are normally used with sheet metal and plastics. This variant has a pan head with a pozi pattern drive and incorporates a flange under the head which can negate the use of a washer and helps protect the receiving material surface. As the name suggests, this type of screw forms its own thread as it is installed into a pre-drilled hole
Pozi Pan Head Self Tapping Screws with Flange Type C in BZP image
technical drawing of Pozi Pan Head Self Tapping Screws with Flange Type C
Technical Summary
d (gauge) diameter in gauge size No.4
d max. (mm) 2.90
d min. (mm) 2.79
dk max. maximum head diameter 6.53
dk min. minimum head diameter 6.12
k max. maximum head height 1.60
k min. minimum head height 1.35
s drive size PZ 1
Standard BS 4174
Material Bright Zinc Plated (BZP) Steel
all dimensions in millimetres (mm)
datasheet
Description Sale Qtys Qty Price Breakdown Despatch Estimate
Pozi Pan Flange Tapping Screw (AB) No.4 x 13mm in Zinc Plated Steel
(WF23042)
£2.86
Pozi Pan Flange Tapping Screw (AB) No.4 x 13mm in Zinc Plated Steel   (WF23042)
£2.86
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technical drawing of Pozi Pan Head Self Tapping Screws with Flange Type C
Technical Summary
d (gauge) diameter in gauge size No.4
d max. (mm) 2.90
d min. (mm) 2.79
dk max. maximum head diameter 6.53
dk min. minimum head diameter 6.12
k max. maximum head height 1.60
k min. minimum head height 1.35
s drive size PZ 1
Standard BS 4174
Material Bright Zinc Plated (BZP) Steel
all dimensions in millimetres (mm)
datasheet