| Nut & Bolt Application Guide |  | | Alphabetical list of Stimmer manufacturers and model numbers listed followed by appropriate bolt size, model numbers in bold blue indicate models whose bolt fittings have been confirmed by Portek. RH = right hand
LH = left hand
M = male
F = female
CB = counterbore
UNC = universal naming convention
| 
| Aa | Bb | Cc | Dd | Ee | Ff | Gg | Hh | Ii | Jj | Kk | Ll | Mm | Nn | Oo | Pp | Qq | Rr | Ss | Tt | Uu | Vv | Ww | Xx | Yy | Zz | | Make: | Strimmer Model: | Nut and Bolt: | | Alpine  | VIP 21 | 8 mm x 1.25 LHM | | Castelgarden | XR22S, XB23 | _UNC RHM | | | XR23S, XB23T, XB28 | 10 mm x 1.25 LHF | | Danarm | 23MK1, 23MK2, 33 | 10 mm x 1.5 LHF | | | 32, 35, 40, 50 | 10 mm x 1.25 LHM | | | MK2, MK23E, MK3, Tornado | 8 mm x 1.25 LHF | | | WHIPPER MK3 | 10 mm x 1.25 LHF | | Dolmar | BC-225, LT-154, LT225, MS220, MS2300, MS2600, NB2, NBA231, NB, NB01F, NB02, NB16F, NB2, NB211, NBF171, NB26, NB31 | 8 mm x 1.25 LHF | | | LT16, LT20, BC210, BC212, BDC212 | 3/8-24 RHF | | | MS5250, MS340, LT250 | 10 mm x 1.25 LHF | | | 300, 400, MS-300, MS-4000, MS-4500 | 12 mm x 1.5 LHF | | | BC250, BC300, BC400, PRO370/400, SD330 | 10 mm x 1.25 LHM | | | BC337 - BC377, LT225, LT250, NB03/04/26, NB40, NB411, NB50, BC225 | 10 mm x 1.0 LHF | | | NB231A, NB231AU, NB23F | 8 mm x 1.25 RHF | | Echo | GT215SI (Curved) | 8 mm x 1.25 RHF | | | CLS4600 | 12 mm x 1.75 LHF | | | GT SERIES: 100, 140, 140A, 140B, 160, 160AE, 200, 200A, 200B, 200BE, 200CE, 1000, 1100, 1100A, 2000, 2000SB, 2100, 2101, 2102, 2103, 2200, 2301, 2400, SRM2000, SRM210AE | 3/8-24 RHF | | | | SRM SERIES: SRMF3, SRM2305, SRM2455, SRM4000, SRM5000, 140, 140A, 140D, 140DA, 200, 200A, 200AE, 200BE, 200CE, 200D, 200DA, 200DB, 200DE, 202DA, 202FA, 210AE, 210E, 250, 250E, 300, 300AE, 300AE1, 300AE/1, 300E, 300E/1, 302, 302ADX, 303E, 400AE, 400B, 400BE, 400E, 1500, 1500A, 1501, 2100, 2100SB, 2110, 2200, 2201, 2300, 2301, 2400, 2410, 3800, 4600, 2500, 2501, 2502, 2510, 3000, 3001, 3010, 3100, 3100S, 3110, 3400, 3410, 2300, 2301, 2400, 2400SB, 2410, 2501S, 2601, 3800, 310, 400, 402, 4600, 500, 501, CLS4600, GT2010, RM310, RM380, RM460, RMA2530, SRA2190, SRM2090L/U, SRM2450, SRM250EL/EU, SRM2510, SRM310U, SRM260SSRM302BDX, SRM343SL, SRM400, SRM3500, SRM3550, SRM2010/L, SRM2530, SRM300AE, SRM310, SRM3800, SRM402DE, SRM4600 | 10 mm x 1.25 LHF | | Efco | 200, 2601C, 300AIC, 400A, 460, 261A, 310, 410, JET200, 260, 261, 300A, 8420, 8420IC, 8510, 8510IC, 8425, JET350, JET400, 220IC, 260ICAV, 260D, 300AIC, 460/AVS, 8060, 8200, 8220IC, 835, 8400IC, 8300, 8300IC, 8350, 8400, 301, 350, 220IC, 260D, 2650ICAV, 8100, 8515, JET450, JET460, Stark 25TR, Stark 26 | 8 mm x 1.25 LHM | | | JET/401/400/301/300 | 8 mm x 1.25 LHF | | | 8550 Boss, 8250IC | 10 mm x 1.25 LHF | | Honda | UMK435E, UMK431E, UMK425E | 10 mm x 1.25 LHF | | Homelite | F2020 (Curved) | 5/16 UNC RHM | | Husqvarna | 24C (Curved), 323C (Curved) | 10 mm x 1.25 RHF | | | 323R, 324Rx, 325R 227LD, 232R | 10 mm x 1.25 LHF | | | 235R, 240R, 250R, 265RX, 142R, 343R, 345R | 12 mm x 1.75 LHF | | IPT | GTLP (Curved) | 8 mm x 1.25 RHM | | | GBPC26 | 10 mm x 1.5 LHM | | Kawasaki | TJ27, KBL27A, J27, J270S, TH43 | 8 mm x 1.25 LHF | | Lawnflite | PRO3490K | 10 mm x 1.25 LHF | | Makita | RBC201 | 8 mm x 1.25 LHF | | | DBC4510 | 12 mm x 1.5 LHF | | McCullough | Cabrio310 | 10 mm x 1.25 LHM | | | Cabrio249 | 10 mm x 1.25 LHF | | | Cabrio245 | 3/8-24 RHF | | | MT300X (Curved), Mac80SX (Curved) | _UNC RHM | | | MT320 (Curved) | 3/8-24 RHF | | | TRIMAC240 (Curved) | 10 mm x 1.25 RHF | | Mitsubishi | K20M-T12, MB160A, MB180, MB200, MB6A, MV130 | 8 mm x 1.25 LHF | | Mountfield | 16, 18, 22, 23, 24, 26, 33, 40, 43, TG18, MB28, NF4 | 8 mm x 1.25 LHM | | | 31, 37 | 10 mm x 1.25 LHM | | | 22CX (Curved) | _UNC RHM | | | MT26 (Curved) | 10 mm x 1.25 RHF | | | MB425 | 10 mm x 1.25 LHF | | MTD / MTD Pro | 790M, ST23, ST26, ST35 | 10 mm x 1.25 LHF | | |
| |