Plugs with First-Thread Protection

Specifications:

Features:

Provides masking to the first thread of standard female threads
Ergonomically-friendly pull tab for simple installation and removal
Silicone: premium masking material (due to high temperature rating) can be used multiple times
EPDM: a more economical material with slightly reduced heat resistance, but superior chemical resistance. Also reusable

Part Number	Material	Thread Size UNC	Thread Size M	A In	A mm	B In	B mm	C In	C mm	D In	D mm
SPFT1/4A	Silicone	1/4-20	—	0.218	5.5	0.260	6.6	0.200	5.1	0.450	11.4
SPFT1/4B	EPDM	1/4-20	—	0.218	5.5	0.260	6.6	0.200	5.1	0.450	11.4
SPFT5/16A	Silicone	5/16-18	—	0.278	7.1	0.320	8.1	0.200	5.1	0.500	12.7
SPFT5/16B	EPDM	5/16-18	—	0.278	7.1	0.320	8.1	0.200	5.1	0.500	12.7
SPFT3/8A	Silicone	3/8-16	—	0.340	8.6	0.420	10.7	0.260	6.6	0.610	15.5
SPFT3/8B	EPDM	3/8-16	—	0.340	8.6	0.420	10.7	0.260	6.6	0.610	15.5
SPFT7/16A	Silicone	7/16-14	—	0.392	10.0	0.440	11.2	0.350	8.9	0.750	19.1
SPFT7/16B	EPDM	7/16-14	—	0.392	10.0	0.440	11.2	0.350	8.9	0.750	19.1
SPFT1/2A	Silicone	1/2-13	—	0.451	11.5	0.510	13.0	0.350	8.9	0.750	19.1
SPFT1/2B	EPDM	1/2-13	—	0.451	11.5	0.510	13.0	0.350	8.9	0.750	19.1
SPFTM6A	Silicone	—	M6	0.208	5.3	0.248	6.3	0.197	5.0	0.551	14.0
SPFTM6B	EPDM	—	M6	0.208	5.3	0.248	6.3	0.197	5.0	0.551	14.0
SPFTM8A	Silicone	—	M8	0.283	7.2	0.331	8.4	0.197	5.0	0.482	12.2
SPFTM8B	EPDM	—	M8	0.283	7.2	0.331	8.4	0.197	5.0	0.482	12.2
SPFTM10A	Silicone	—	M10	0.358	9.1	0.409	10.4	0.276	7.0	0.630	16.0
SPFTM10B	EPDM	—	M10	0.358	9.1	0.409	10.4	0.276	7.0	0.630	16.0
SPFTM12A	Silicone	—	M12	0.426	10.8	0.489	12.4	0.346	8.8	0.792	20.1
SPFTM12B	EPDM	—	M12	0.426	10.8	0.489	12.4	0.346	8.8	0.792	20.1
SPFTM16A	Silicone	—	M16	0.570	14.5	0.670	17.0	0.450	11.4	0.910	23.1
SPFTM16B	EPDM	—	M16	0.570	14.5	0.670	17.0	0.450	11.4	0.910	23.1
SPFTM20A	Silicone	—	M20	0.724	18.4	0.811	20.6	0.512	13.0	1.122	28.5
SPFTM20B	EPDM	—	M20	0.724	18.4	0.811	20.6	0.512	13.0	1.122	28.5

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