A range of self centring bonded seals to suit BSP parallel and metric threads. Available in mild steel, 316 stainless steel and Nitrile for standard temperature or Viton for high temperature applications.

(Please note: M3 nitrile bonded seals are non self centring).

Thread Size	A	B	C		E	F
	+0.10	+0.10	+0.13	D	+0.10
	-0.10	-0.10	-0.13		-0.10
M8	14.00mm	10.40mm	8.70mm	0.25/0.51	1.00mm	6.40mm	-0+0.25
1/8" BSP	15.88mm	11.84mm	10.37mm		2.00mm	8.46mm
M10	16.00mm	12.40mm	10.70mm		1.50mm	8.05mm
M12	19.00mm	14.10mm	12.70mm		1.50mm	9.73mm
1/4" BSP	20.57mm	15.21mm	13.74mm		2.00mm	11.18mm
M14	22.00mm	16.40mm	14.70mm		1.50mm	11.38mm
M16	24.00mm	18.40mm	16.70mm		1.50mm	13.41mm
3/8" BSP	23.80mm	18.75mm	17.28mm		2.00mm	14.76mm
M18	26.00mm	20.40mm	18.70mm		1.50mm	14.76mm
M20	28.00mm	22.50mm	20.70mm		1.50mm	16.76mm
1/2" BSP	28.58mm	23.01mm	21.54mm		2.47mm	18.44mm
M22	30.00mm	24.40mm	22.70mm		2.00mm	18.74mm
5/8" BSP	31.75mm	24.93mm	23.49mm		2.47mm	20.27mm
M24	32.00mm	26.40mm	24.70mm		2.00mm	20.11mm
3/4" BSP	34.93mm	28.53mm	27.05mm		2.47mm	23.8mm
1" BSP	42.80mm	36.68mm	33.89mm		3.40mm	29.92mm	-0+0.37
1 1/4" BSP	52.38mm	43.93mm	42.93mm		3.40mm	38.45mm
1 1/2" BSP	58.60mm	51.39mm	48.05mm		3.40mm	44.45mm
2" BSP	79.50mm	69.98mm	66.58mm		3.40mm	62.36mm