Can we offer you a solution?

Let us quote you!

Request Quote

We manufacture and supply many holding down bolts and accessories including BS 7419 Square Square Holding Down Bolts.

Click Here to email us about BS7419 SQ SQ Bolts

BS7419 Bolts are available in sizes M16 - M72 in Lengths up to 6000MM in 8.8 Grade

BS7419 sq square holding down foundation bolts diagram

BS7419 sq square holding down foundation bolts table 1

Thread Diameter and Dimension Specifications
THREAD DIA A M16 M20 M24 M30 M36 M42 M48 M56 M64
B MAX 122 127.5 133 140.5 148 155.5 163 172.5 182
MIN 116 120 124 130 136 142 148 156 164
SHANK DIA MAX 16.7 20.84 24.84 30.84 37 43 49 57.2 65.2
MIN 15.3 19.16 23.16 29.16 35 41 47 54.8 62.8
C MAX 24 30 36 46 55 65 75 85 95
MIN 23.16 29.16 35 45 53.8 63.1 73.1 82.8 92.8
D MAX 16.7 20.84 24.84 30.84 37 43 49 57.2 65.2
MIN 15.3 19.16 23.16 29.16 35 41 47 54.8 62.8
E NOM 10 12.5 15 18.7 22.5 26 30 35 40
MIN 9.25 11.6 14.1 17.65 21.45 24.95 28.95 33.75 38.75
MAX 10.75 13.4 15.9 19.75 23.55 27.05 31.05 36.25 41.25
F NOM 8 10 12 15 18 21 24 28 32
MIN 7.25 9.25 11.1 14.1 17.1 19.95 22.95 26.95 30.75
MAX 8.75 10.75 12.9 15.9 18.9 22.05 25.05 29.05 33.25
L FOR DIMENSIONS SEE TABLE OPPOSITE
NON STANDARD LENGTHS AVAILABLE UPON REQUEST

BS7419 sq square holding down foundation bolts table 2

BS7419 sq square holding down foundation bolts table 3

BS7419 sq square holding down foundation bolts

wax cardboard cones

We carry a standard range of bolts to BS7419, blanks are also held in stock for rapid conversion when non-standard lengths are required. Please contact us today with your BS 7419 and general bolting enquiries.