SNAP-ON Flank Drive® Flare Nut
Download SNAP-ON Wrenches Catalog (1)
Download SNAP-ON Wrenches Catalog (2)
Download SNAP-ON Wrenches Catalog (3)
Open End and Flare Nut, mm
Download SNAP-ON Wrenches Catalog (2)
Download SNAP-ON Wrenches Catalog (3)
Open End and Flare Nut, mm
8 RXSM8B 17 17 7 7 135
9 RXSM9B 18 19 7 7 144
10 RXSM10B 20 21 8 8 152
11 RXSM11B 21 23 9 9 162
12 RXSM12B 22 25 9 9 169
13 RXSM13B 24 27 9 9 178
14 RXSM14B 25 29 10 10 186
15 RXSM15B 26 31 10 10 194
16 RXSM16B 27 33 11 11 202
17 RXSM17B 29 35 11 11 211
18 RXSM18B 30 37 12 12 219
19 RXSM19B 32 39 12 12 228
20 RXSM20B 33 41 13 13 235
Open End and Flare Nut, inches
Open End and Flare Nut, inches
3/8 RXS12B — 3/4 25/32 5/16 5/16 5-27/32
7/16 RXS14B RXS14BS 27/32 29/32 11/32 11/32 6-3/8
1/2 RXS16B — 29/32 1-1/16 3/8 3/8 6-7/8
9/16 RXS18B — 1 1-5/32 13/32 13/32 7-13/32
5/8 RXS20B — 1-3/32 1-5/16 7/16 7/16 7-15/16
11/16 — RXS22BS 1-5/32 1-13/32 15/32 15/32 8-15/32
3/4 — RXS24BS 1-1/4 1-9/16 1/2 1/2 9
Double End Flare Nut, mm
Double End Flare Nut, mm
7–8 RXFMS78B 15–17 6–7 123
9–11 RXFMS911B 18–21 7–8 145
10–12 RXFMS1012B 20–22 8–9 153
13–14 RXFMS1314B 24–25 9–10 173
15–17 RXFMS1517B 26–29 10–11 193
16–18 RXFMS1618B 28–30 11–12 200
19–21 RXFMS1921B 32–34 12–13 223
Double End Flare Nut, inches
Double End Flare Nut, inches
1/4–5/16 RXFS810B 19/32–21/32 1/4–9/32 4-27/32
3/8–7/16 RXFS1214B 3/4-27/32 5/16–11/32 5-13/16
1/2–9/16 RXFS1618B 29/32–1 3/8–13/32 6-13/16
5/8–11/16 RXFS2022B 1-3/32–1-5/32 7/16–15/32 7-3/4
3/4–13/16 RXFS2426B 1-1/4–1-5/16 1/2–17/32 8-25/32
3/4–7/8 RXFS2428B 1-1/4–1-27/64 1/2–5/8 9-1/2
3/4–1 RXFS2432B 1-1/4–1-9/16 1/2–5/8 9-1/2
7/8–1-1/8 RXFS2836B 1-13/32–1-3/4 9/16–11/16 10-1/2
