Sapphire Products - Large Solid Raised 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

Raised 60° Countersunk Head
Also called Rounded 60° Countersunk Head Metric Sizes

Solid 60 degree Raised Countersunk Head Rivet - schematic

Large Solid Metric Rivets for General Engineering Purposes
BS 4620 : 1970 Table 7.2 Raised 60° Countersunk Head 14 to 39 Millimetres Diameter - All Dimensions in Millimetres - All Materials
Shank Diameter		Head Diameter		Head Depth	Depth of Raise		Length	Setting
Nominal D	Tolerance	Nominal A=1.5D	Tolerance	Nominal B=0.43D	Nominal C=0.2D	Tolerance	Tolerance L	Allowance S=0.483D
14	13.57 / 14.43	21	19.75 / 22.25	6.0	5.6	5.6 / 6.0	+1.0	6.76
16	15.57 / 16.43	24	22.75 / 25.25	6.9	6.4	6.4 / 6.8	+1.0	7.73
18	17.57 / 18.43	27	25.75 / 28.25	7.7	7.2	7.2 / 7.6	+1.6	8.69
20	19.48 / 20.52	30	28.20 / 31.80	8.6	8.0	8.0 / 8.5	+1.6	9.66
22	21.48 / 22.52	33	31.20 / 34.80	9.5	8.8	8.8 / 9.3	+1.6	10.63
24	23.48 / 24.52	36	34.20 / 37.80	10.3	9.6	9.6 / 10.1	+1.6	11.59
27	26.38 / 27.62	40	37.50 / 42.50	11.6	10.8	10.8 / 11.4	+3.0	13.04
30	29.38 / 30.62	45	42.50 / 47.50	12.9	12.0	12.0 / 12.6	+3.0	14.49
33	32.38 / 33.62	50	47.50 / 52.50	14.2	13.2	13.2 / 13.8	+3.0	15.94
36	35.38 / 36.62	55	52.00 / 58.00	15.5	14.4	14.4 / 15.2	+3.0	17.39
39	38.38 / 39.62	59	56.00 / 62.00	16.8	15.6	15.6 / 16.4	+3.0	18.84
The Britsh Standard does not specify tolerances for Head Depth & Radius. 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.