Sapphire Products - Large Solid 60° Countersunk Head Rivets

Incorporating
The Rivet Supply Company

Sapphire Products Limited
Unit E3 Ivanhoe Business Park
Tom Bill Way,   Smisby Road,
Ashby de la Zouch,   LE65 2UY
Tel :  0121  326  6000       or       0121  327  4868
Fax : 0121  328  5518

60° Countersunk Head
Also called Flat 60° Countersunk Head Metric Sizes

Solid 60deg Countersunk Head Rivet - schematic

Large Solid Metric Rivets for General Engineering Purposes
BS 4620 : 1970 Table 7.1 60° Countersunk Head 14 to 39 Millimetres Diameter - All Dimensions in Millimetres - All Materials
Shank Diameter		Head Diameter		Head Depth	Length	Setting
Nominal D	Tolerance	Nominal A=1.5D	Tolerance	Nominal B=0.43D	Tolerance L	Allowance S=0.253D
14	13.57 / 14.43	21	19.75 / 22.25	6.0	+1.0	3.54
16	15.57 / 16.43	24	22.75 / 25.25	6.9	+1.0	4.05
18	17.57 / 18.43	27	25.75 / 28.25	7.7	+1.6	4.55
20	19.48 / 20.52	30	28.20 / 31.80	8.6	+1.6	5.06
22	21.48 / 22.52	33	31.20 / 34.80	9.5	+1.6	5.57
24	23.48 / 24.52	36	34.20 / 37.80	10.3	+1.6	6.07
27	26.38 / 27.62	40	37.50 / 42.50	11.6	+3.0	6.83
30	29.38 / 30.62	45	42.50 / 47.50	12.9	+3.0	7.59
33	32.38 / 33.62	50	47.50 / 52.50	14.2	+3.0	8.35
36	35.38 / 36.62	55	52.00 / 58.00	15.5	+3.0	9.11
39	38.38 / 39.62	59	56.00 / 62.00	16.8	+3.0	9.87
The British Standard does not specify tolerances for Head Depth. There is no negative tolerance on Shank Length. The Countersink angle can vary between 57НА and 62НА. It is normal to have a radius under the head and at the periphery of the countersink, but no dimensions are specified.