Telephone (local call charge only) 1300 BRUNEL or 1300 278635
Opening Hours Mon-Thurs 10am-5:30pm; Fri 10am-6:30pm; Sat 10am-3pm
Telephone (local call charge only) 1300 BRUNEL or 1300 278635
Opening Hours Mon-Thurs 10am-5:30pm; Fri 10am-6:30pm; Sat 10am-3pm
Below is a table BA thread sizes which should assist modellers to choose the screw they require.
| BA | Outer Diameter | Threads per Inch |
| 0 | 0.2362" (6.00mm) | 25.38 |
| 1 | 0.2087 (5.00mm) | 28.25 | 2 | 0.1850" (4.70mm) | 31.35 | 3 | 0.1614" (4.10mm) | 34.84 | 4 | 0.1417" (3.60mm) | 38.46 | 5 | 0.1260" (3.20mm) | 43.10 | 6 | 0.1102" (2.80mm) | 47.85 | 7 | 0.0984" (2.50mm) | 52.91 | 8 | 0.0866" (2.20mm) | 56.17 | 9 | 0.0748" (1.90mm) | 59.17 | 10 | 0.0669" (1.70mm) | 72.46 | 11 | 0.0591"(1.50mm) | 81.97 | 12 | 0.0591" (1.30mm) | 90.91 | 13 | 0.0472" (1.20mm) | 102 | 14 | 0.0394" (1.00mm) | 110 | 15 | 0.0354" (0.90mm) | 121 | 16 | 0.0311" (0.79mm) | 134 |
| Code | Description | Price A$ |
| C-1001 | 1.0mm Taper Tap | $17.25 |
| C-1002 | 1.2mm Taper Tap | $17.25 |
| C-1004 | 1.4mm Taper Tap | $17.25 |
| C1006 | 1.6mm Metric Taper Tap | $17.25 |
| C-1008 | 8BBA Taper Tap | $17.25 |
| C-1009 | 8BBA Plug Tap | $17.25 |
| C-1010 | 10BA Taper Tap | $21.60 |
| C-1011 | 10BA Plug Tap | $19.75 |
| C-1012 | 12BA Taper Tap | $23.00 |
| C-1013 | 12BA Plug Tap | $23.00 |
| C-1014 | 14BA Taper Tap | $24.20 |
| C-1015 | 14BA Plug Tap | $32.95 |
| C-1016 | 16BA Taper Tap | $36.25 |
| C2020 | 2mm Taper Tap | $7.10 |
| C-2021 | 2mm Taper Tap/Plug Tap | $10.60 |
| C-2060 | 6BA Taper Tap | $11.50 |
| C-2061 | 6BA Plug Tap | $15.20 |
| Code | Description | Price A$ |
| C-1031 | 3.00mm Drill for 4BA Tap | $2.50 |
| C-1036 | 2.70mm Drill for 5BA Tap | $2.50 |
| C-1040 | 2.50mm Drill | $2.50 |
| C-1042 | 2.30mm No. 42 | $2.50 |
| C-1047 | 2.00mm No. 47 | $2.50 |
| C-1048 | 1.90mm No. 48 | $2.50 |
| C-1050 | 1.80mm No. 50 (8BA) | $2.50 |
| C-1051 | 1.70mm No. 51 | $2.50 |
| C-1052 | 1.60mm No. 52 | $2.50 |
| C-1053 | 1.50mm No. 53 drill bit | $2.50 |
| C-1054 | 1.40mm No. 54 (10BA Tap) | $2.50 |
| C-1055 | 1.30mm No. 55 | $2.50 |
| C-1056 | 1.20mm No. 56 | $2.50 |
| C-1057 | 1.10mm No. 57 (12BA Tap) | $2.50 |
| C-1059 | 1.05mm No. 59 | $2.50 |
| C-1060 | 1.00mm No. 61 | $2.40 |
| C-1061 | No. 61 Drill | $3.00 |
| C-1062 | No. 62 Drill | $3.00 |
| C-1063 | No. 63 Drill | $3.00 |
| C-1064 | No. 64 Drill | $3.00 |
| C-1065 | 0.90mm No. 65 | $2.50 |
| C-1066 | 0.85mm No. 66 | $2.50 |
| C1067 | 0.80mm No. 67 | $2.40 |
| C-1068 | No. 68 Drill | $3.00 |
| C-1069 | 0.75mm High Speed Twist Drill No.69 | $2.50 |
| C-1070 | 0.70mm High Speed Twist Drill No.70 | $2.50 |
| C-1071 | 0.65mm High Speed Twist Drill No.71 | $2.50 |
| C-1072 | No. 72 Drill | $3.00 |
| C-1073 | 0.60mm High Speed Twist Drill No.73 | $2.50 |
| C-1074 | No. 74 Drill | $3.00 |
| C-1075 | 0.55mm High Speed Twist Drill No.75 | $2.50 |
| C-1076 | 0.50mm High Speed Twist Drill No.76 | $2.50 |
| C-1077 | 0.45mm High Speed Twist Drill No.77 | $2.50 |
| C-1078 | 0.40mm High Speed Twist Drill No.78 | $2.50 |
| C-1079 | No. 79 Drill | $3.00 |
| C-1080 | 0.35mm High Speed Twist Drill No.80 | $2.50 |
| C-1085 | 0.30mm High Speed Twist Drill | $2.50 |
| C-1090 | 0.25mm High Speed Twist Drill | $2.85 |
| C-1095 | 0.20mm High Speed Twist Drill | $2.85 |
| Code | Description | Price A$ |
| C10BACH1 | 10BA Cheesehead 1" (10) | $8.20 |
| C10BACH12 | 10BA Cheesehead 1/2 (10) | $5.80 |
| C10BACH14 | 10BA Cheesehead 1/4 (10) | $5.20 |
| C10BACH18 | 10BA Cheesehead 1/8 (10) | $4.20 |
| C10BACH34 | 10BA Cheesehead 3/4 (10) | $8.20 |
| C10BACS1 | 10BA Countersunk 1" (10) | $8.20 |
| C10BACS12 | 10BA Countersunk 1/2 (10) | $5.80 |
| C10BACS14 | 10BA Countersunk 1/4 (10) | $5.20 |
| C10BACS18 | 10BA Countersunk 1/8 (10) | $4.40 |
| C10BACS34 | 10BA Countersunk 3/4 (10) | $8.20 |
| C10BARH1 | 10BA Roundhead 1" (10) | $7.20 |
| C10BARH12 | 10BA Roundhead 1/2 (10) | $5.80 |
| C10BARH14 | 10BA Roundhead 1/4 (10) | $4.95 |
| C10BARH18 | 10BA Roundhead 1/8 (10) | $4.40 |
| C10BARH316 | 10BA Roundhead 3/16(10) | $4.40 |
| C10BARH34 | 10BA Roundhead 3/8 (10) | $4.90 |
| C10BARH38 | 10BA Roundhead 3/8 (10) | $6.55 |
| C12BACH12 | 12BA Cheesehead 1/2 (10) | $6.00 |
| C12BACH14 | 12BA Cheesehead 1/4 (10) | $5.90 |
| C12BACH18 | 12BA Cheesehead 1/8 (10) | $3.00 |
| C12BACH316 | 12BA Cheesehead 3/16 (10) | $3.00 |
| C12BACH38 | 12BA Cheesehead 3/8 (10) | $6.30 |
| C12BACS12 | 12BA Countersunk 1/2 (10) | $6.20 |
| C12BACS14 | 12BA Countersunk 1/4 (10) | $5.70 |
| C12BACS18 | 12BA Countersunk 1/8 (10) | $3.00 |
| C12BACS316 | 12BA Countersunk 3/16 (10) | $3.00 |
| C12BACS38 | 12BA Countersunk 3/8 (10) | $5.95 |
| C12BARH14 | 12BA Roundhead 1/4 (10) | $5.90 |
| C12BARH316 | 12BA Roundhead 3/16(10) | $3.00 |
| C12BARH38 | 12BA Roundhead 3/8 (10) | $7.35 |
| C14BACH12 | 14BA Cheesehead 1/2 (10) | $6.20 |
| C14BACH14 | 14BA Cheesehead 1/4 (10) | $5.05 |
| C14BACH332 | 14BA Cheesehead 3/32 (10) | $3.50 |
| C14BACH38 | 14BA Cheesehead 3/8 (10) | $4.30 |
| C14BACS12 | 14BA Countersunk 1/2 (10) | $6.40 |
| C14BACS14 | 14BA Countersunk 1/4 (10) | $5.05 |
| C14BACS332 | 14BA Countersunk 3/32 (10) | $3.50 |
| C16BACH12 | 16BA Cheesehead 1/2 (10) | $7.55 |
| C16BACH316 | 16BA Cheesehead 3/16 (10) | $5.80 |
| C16BACH38 | 16BA Cheesehead 3/8 (10) | $7.45 |
| C16BACS14 | 16BA Countersunk 1/4 (10) | $6.75 |
| C16BACS316 | 16BA Countersunk 3/16 (10) | $5.80 |
| C1WSCS12 | 1 Gauge Countersunk 1/2 (10) | $3.40 |
| C1WSCS38 | 3 Gauge Roundhead 3/8 (10) | $3.55 |
| C1WSRH38 | 1 Gauge Roundhead 3/8 (10) | $5.20 |
| C21218 | 8BA Hex Lock (10) | $1.65 |
| C212210 | 10BA Hex Nuts Standard (10) | $3.25 |
| C212212 | 12BA Hex Nuts Standard (10) | $3.50 |
| C212214 | 14BA Hex Nuts Standard (10) | $4.00 |
| C212216 | 16BA Hex Nuts Standard (10) | $5.60 |
| C21224 | 4BA Hex Nuts Standard (10) | $1.65 |
| C21225 | 5BA Hex Nuts Standard (10) | $1.65 |
| C21226 | 6BA Hex Nuts Standard (10) | $2.65 |
| C21228 | 8BA Hex Nuts Standard (10) | $3.25 |
| C-2122M2 | Brass nuts metric M2 (10) | $2.00 |
| C2122M2 | Brass Nuts Metric M2 | $2.05 |
| C2122M25 | Brass Nuts Metric M2.5 | $2.20 |
| C2122M3 | Brass Nuts Metric M3 | $2.40 |
| C212310 | 10BA Washers(20) | $4.65 |
| C212312 | 12BA Washers(20) | $4.90 |
| C212314 | 14BA Washers(20) | $5.50 |
| C21236 | 6BA Washers Brass (20) | $2.85 |
| C21238 | 8BA Washers(20) | $3.35 |
| C-219910 | 10mm brass nails x 50 | $3.05 |
| C-219912 | 12mm brass nails x 50 | $3.25 |
| C-21997 | 7mm brass nails x 50 | $3.05 |
| C-2334 | Brass screw eyes (10) | $2.35 |
| C2WSCS12 | 2 Gauge Countersunk 1/2 (10) | $3.10 |
| C2WSCS14 | 2 Gauge Countersunk 1/4 (10) | $3.10 |
| C2WSCS38 | 2 Gauge Countersunk 3/8 (10) | $3.35 |
| C2WSRH12 | 2 Gauge Roundhead 1/2 (10) | $3.55 |
| C2WSRH14 | 2 Gauge Roundhead 1/4 (10) | $3.55 |
| C2WSRH38 | 2 Gauge Roundhead 3/8 (10) | $3.55 |
| C3WSCS12 | 3 Gauge Countersunk 1/2 (10) | $3.10 |
| C3WSCS38 | 3 Gauge Countersunk 3/8 (10) | $3.10 |
| C3WSCS58 | 3 Gauge Countersunk 5/8 (10) | $3.10 |
| C3WSRH12 | 3 Gauge Roundhead 1/2 (10) | $3.10 |
| C3WSRH38 | 3 Gauge Roundhead 3/8 (10) | $3.10 |
| C4BACH12 | 4BA Cheesehead 1/2 (10) | $4.15 |
| C4BARH12 | 4BA Roundhead 1/2 (10)* | $4.30 |
| C6BACH12 | 6BA Cheesehead 1/2 (10) | $3.50 |
| C6BACH14 | 6BA Cheesehead 1/4 (10) | $6.40 |
| C6BACH18 | 6BA Cheesehead 1/8 (10) | $5.55 |
| C6BACS12 | 6BA Countersunk 1/2 (10) | $2.55 |
| C6BACS14 | 6BA Countersunk 1/4 (10) | $5.40 |
| C6BACS18 | 6BA Countersunk 1/8 (10) | $5.05 |
| C6BARH14 | 6BA Roundhead 1/4 (10) | $6.40 |
| C6BARH18 | 6BA Roundhead 1/8 (10) | $6.40 |
| C8BACH1 | 8BA Cheesehead 1" (10) | $7.20 |
| C8BACH12 | 8BA Cheesehead 1/2 (10) | $6.55 |
| C8BACH14 | 8BA Cheesehead 1/4 (10) | $5.20 |
| C8BACH18 | 8BA Cheesehead 1/8 (10) | $4.40 |
| C8BACH34 | 8BA Cheesehead 3/8 (10) | $7.20 |
| C8BACS1 | 8BA Countersunk 1 (10) | $7.20 |
| C8BACS12 | 8BA Countersunk 1/2 (10) | $5.80 |
| C8BACS14 | 8BA Countersunk 1/4 (10) | $5.55 |
| C8BACS18 | 8BA Countersunk 1/8 (10) | $4.40 |
| C8BACS34 | 8BA Countersunk 3/4 (10) | $7.20 |
| C8BARH1 | 8BA Roundhead 1" (10) | $7.20 |
| C8BARH12 | 8BA Roundhead 1/2 (10) | $6.55 |
| C8BARH14 | 8BA Roundhead 1/4 (10) | $5.20 |
| C8BARH18 | 8BA Roundhead 1/8 (10) | $4.45 |
| C8BARH34 | 8BA Roundhead 3/4 (10) | $6.75 |
| CM25CS10 | Brass Metric M2.5 Countersunk 10mm | $2.90 |
| CM25PH10 | Brass Metric M2.5 Panhead 10mm | $5.30 |
| CM2CS10 | Brass Metric M2 Countersunk10mm | $4.05 |
| CM2CS20 | Brass Metric M2 Countersunk20mm | $3.20 |
| CM2CS5 | Brass Metric M2 Countersunk 5mm | $3.10 |
| CM2PH10 | Brass Metric M2 Panhead 10mm | $4.06 |
| CM2PH5 | Brass Metric M2 Panhead 5mm | $4.85 |
| CM3CS10 | Brass Metric M3 C/Sunk 10mm | $3.00 |
| CM3PH10 | Brass Metric M3 PanHead 10mm | $3.55 |
| CSS2122M16 | Stainless Steel Metric M1.6 | $6.75 |
| CSS2123M16 | S/Steel Washers M1.6 | $3.25 |
| CSSM16CH10 | S/S Metric M1.6 Cheesehead 10mm | $10.00 |
| CSSM16CS10 | S/S Metric M1.6 Countersunk10mm | $10.00 |
| CSSM16CS5 | S/S Metric M1.6 C/Sunk 5mm | $6.85 |
| CSSM16PH5 | S/S Metric M1.6 Panhead 5mm | $6.85 |
| CST10BACH1 | 10BA Cheesehead 1/2 (10) | $5.05 |
| CST10BACH14 | 10BA Cheesehead 1/4 (10) | $4.90 |
| CST10BACS1 | 10BA Countersunk 1/2 (10) | $2.50 |
| CST10BACS14 | 10BA Countersunk 1/4 (10) | $2.50 |
| CST10BAHX1 | 10BA Hexag. 1/4 (10) | $3.95 |
| CST10BAHX12 | 10BA Hexag. 1/2 (10) | $3.95 |
| CST10BARH1 | 10BA Roundhead 1/2 (10) | $2.50 |
| CST10BARH14 | 10BA Roundhead 1/4 (10) | $2.50 |
| CST10BARH18 | 10BA Steel Roundhead 1/8 (10) | $2.50 |
| CST10BARH38 | 10BA Steel Roundhead 3/8 (10) | $2.50 |
| CST12BACH1 | 12BA Cheesehead 1/2 (10) | $4.10 |
| CST12BAHX1 | 12BA Hexag. 1/4 (10) | $3.95 |
| CST12BARH3 | 12BA Roundhead 3/16 (10) | $2.50 |
| CST12BARH38 | 12BA Roundhead Steel 3/8 (10) | $2.40 |
| CST14BACH1 | 14BA Cheesehead 1/4 (10) | $4.65 |
| CST212210 | 10BA Hexagon Standard (10) | $3.60 |
| CST21226 | 6BA Hexagon Standard (10) | $1.40 |
| CST21228 | 8BA Hexagon Standard (10) | $2.50 |
| CST212310 | 10BA Washers (20) | $4.65 |
| CST21236 | 6BA Washers (20) | $1.05 |
| CST21238 | 8BA Washers (20) | $4.65 |
| CST6BAHX12 | 6BA Hexag. 1/2 (10) | $3.80 |
| CST8BACH12 | 8BA Cheesehead 1/2 (10) | $4.70 |
| CST8BACH14 | 8BA Cheesehead 1/4 (10) | $2.90 |
| CST8BACS12 | 8BA Countersunk 1/2 (10) | $4.70 |
| CST8BACS14 | 8BA Countersunk 1/4 (10) | $2.50 |
| CST8BAHX12 | 8BA Hexag. 1/2 (10) | $8.20 |
| CST8BAHX14 | 8BA Hexag. 1/4 (10) | $3.95 |
| CST8BARH14 | 8BA Roundhead 1/4 (10) | $2.50 |
| CZPS2STCS12 | 2 Gauge zinc p self tap c/sunk 1/2 | $3.20 |
| CZPS2STCS14 | 2 Gauge zinc p self tap c/sunk 1/4 | $2.65 |
| CZPS2STPH12 | 2 Gauge zinc p self tap posihead1/2 | $3.25 |
| CZPS2STPH14 | 2 Gauge zinc p self tap posihead1/4 | $2.65 |
| Code | Description | Price A$ |
| C-2320 | Brass 20mm backflap hinge | $4.50 |
| C-2341 | Brass 12mm hinge (2) with pins | $3.50 |
| C-2342 | Brass 19mm hinge (2) with pins | $3.50 |
| C-2343 | Brass 25mm hinge (2) | $4.30 |