BRASS REDUCERS, ENLARGERS & CONVERTERS These are used for threaded holes on machines or equipment housing which are too large or too small for the necessary glands. Technical Details Material Threads available Brass, Nickel Plated Pg & Metric Pg Thread & Metric Thread Reducers Size Cat. No. Standard Pack (Pieces) External Thread Internal Thread Thread Length (mm) Pg 9 - Pg 7 Pg 11 - Pg 9 Pg 13.5 - Pg 9 Pg 13.5 - Pg 11 Pg 16 - Pg 13.5 Pg 21 - Pg 16 Pg 29 - Pg 21 Pg 36 - Pg 29 M 16 - M 12 M 20 - M 12 M 20 - M 16 M 25 - M 16 M 25 - M 20 M 32 - M 25 M 40 - M 25 M 40 - M 32 M 50 - M 40 BBRP 9/7 BBRP 11/9 BBRP 13.5/9 BRP 13.5/11 BBRP 16/13.5 BBRP 21/16 BBRP 29/21 BBRP 36/29 BBRM 16/12 BBRM 20/12 BBRM 20/16 BBRM 25/16 BBRM 25/20 BBRM 32/25 BBRM 40/25 BBRM 40/32 BBRM 50/40 50 50 50 50 25 25 10 10 50 25 25 10 10 10 10 10 10 Pg9 Pg11 Pg13.5 Pg13.5 Pg16 Pg21 Pg29 Pg36 M16 x 1.5 M20 x 1.5 M20 x 1.5 M25 x 1.5 M25 x 1.5 M32 x 1.5 M40 x 1.5 M40 x 1.5 M50 x 1.5 Pg7 Pg9 Pg11 Pg11 Pg13.5 Pg16 Pg21 Pg29 M12 x 1.5 M12 x 1.5 M16 x 1.5 M16 x 1.5 M20 x 1.5 M25 x 1.5 M25 x 1.5 M32 x 1.5 M40 x 1.5 7 8 8 9 9 11.3 12 14 8 8 9 9 10 11 11 11 12 Brass Pg Thread & Metric Thread Enlargers converters Thread Adapters Size Cat. No. Standard Pack (Pieces) External Thread Internal Thread Thread Length (mm) Pg7 - Pg9 Pg9 - Pg11 Pg11 - Pg13.5 Pg13.5 - Pg16 Pg16 - Pg21 Pg21 - Pg29 Pg29 - Pg36 M12 - M16 M16 - M20 M16 - M25 M20 - M25 M25 - M32 M25 - M40 M32 - M40 BBEP7/9 BBEP9/11 BBEP11/13.5 BBEP13.5/16 BBEP16/21 BBEP21/29 BBEP29/36 BBEM12/16 BBEM16/20 BBEM16/25 BBEM20/25 BBEM25/32 BBEM25/40 BBEM32/40 50 50 50 50 25 25 10 50 25 25 10 10 10 10 Pg7 Pg9 Pg11 Pg13.5 Pg16 Pg21 Pg29 M12 M16 M16 M20 M25 M25 M32 Pg9 Pg11 Pg13.5 Pg16 Pg21 Pg29 Pg36 M16 M20 M25 M25 M32 M40 M40 5 6 6 6.5 6.5 7 8 5 6 6.5 6.5 8 8 9 Thread Converters Size Cat. No. Standard Pack (Pieces) External Thread Internal Thread Thread Length (mm) Pg16 - M25 M20 - Pg9 M20 - Pg13.5 ET3/4”-M16 BBCP16/M25 BBCM20/P9 BBCM20/P13.5 BBC3/4”- M16 50 10 10 10 Pg16 M20 M20 ET3/4” M25 Pg9 Pg13.5 M16 7 7 7 7