Screws, Nuts, Washers, Hinges, Taps and Drills

Sizes stocked are 4BA to 16BA and M1, M2, M2.5 and M3.

BA Screw Threads

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

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For details of costs, insurance, payment see How to Buy.

Drill Bits

Code Description Price A$
C-1040 2.50mm Drill $2.50
C-1042 2.30mm No. 42 $2.65
C-1047 2.00mm No. 47 $2.70
C-1048 1.90mm No. 48 $2.65
C-1050 1.80mm No. 50 (8BA) $2.75
C-1051 1.70mm No. 51 $2.65
C-1052 1.60mm No. 52 $2.65
C-1053 1.50mm No. 53 drill bit $2.65
C-1054 1.40mm No. 54 (10BA Tap) $2.75
C-1055 1.30mm No. 55 $2.70
C-1056 1.20mm No. 56 $2.70
C-1057 1.10mm No. 57 (12BA Tap) $2.70
C-1059 1.05mm No. 59 $2.50
C-1060 1.00mm No. 60 $2.70
C-1061 No. 61 Drill $3.00
C-1062 No. 62 Drill $3.00
C-1063 No. 63 Drill $3.25
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 $2.70
C-1068 No. 68 Drill $3.00
C-1069 0.75mm High Speed Twist Drill No.69 $2.70
C-1070 0.70mm High Speed Twist Drill No.70 $2.70
C-1071 0.65mm High Speed Twist Drill No.71 $2.70
C-1072 No. 72 Drill $3.25
C-1073 0.60mm High Speed Twist Drill No.73 $2.70
C-1074 No. 74 Drill $3.00
C-1075 0.55mm High Speed Twist Drill No.75 $2.70
C-1076 0.50mm High Speed Twist Drill No.76 $2.70
C-1077 0.45mm High Speed Twist Drill No.77 $2.70
C-1078 0.40mm High Speed Twist Drill No.78 $2.70
C-1079 No. 79 Drill $3.20
C-1080 0.35mm High Speed Twist Drill No.80 $2.70
C-1085 0.30mm High Speed Twist Drill $3.25
C-1090 0.25mm High Speed Twist Drill $3.05
C-1095 0.20mm High Speed Twist Drill $3.05
C-1067 0.80mm No. 67 $2.70

Nuts, Bolts and Screw Eyes- Brass unless stated otherwise.

Nuts and Bolts

Code Description Price A$
C6BACH12 6BA Cheesehead 1/2 (10) $4.20
C6BACH14 6BA Cheesehead 1/4 (10) $6.90
C6BACH18 6BA Cheesehead 1/8 (10) $6.00
C8BACH1 8BA Cheesehead 1" (10) $7.20
C8BACH12 8BA Cheesehead 1/2 (10) $7.25
C8BACH14 8BA Cheesehead 1/4 (10) $6.35
C8BACH18 8BA Cheesehead 1/8 (10) $5.70
C8BACH34 8BA Cheesehead 3/4 (10) $9.10
C10BACH1 10BA Cheesehead 1" (10) $9.10
C10BACH12 10BA Cheesehead 1/2 (10) $6.80
C10BACH14 10BA Cheesehead 1/4 (10) $5.70
C10BACH18 10BA Cheesehead 1/8 (10) $5.45
C10BACH34 10BA Cheesehead 3/4 (10) $9.10
C12BACH12 12BA Cheesehead 1/2 (10) $6.60
C12BACH14 12BA Cheesehead 1/4 (10) $6.35
C12BACH18 12BA Cheesehead 1/8 (10) $5.45
C12BACH316 12BA Cheesehead 3/16 (10) $6.35
C12BACH38 12BA Cheesehead 3/8 (10) $6.60
C14BACH12 14BA Cheesehead 1/2 (10) $7.30
C14BACH14 14BA Cheesehead 1/4 (10) $6.45
C14BACH332 14BA Cheesehead 3/32 (10) $3.85
C16BACH316 16BA Cheesehead 3/16 (10) $6.60
C16BACH38 16BA Cheesehead 3/8 (10) $8.00
C4BARH12 4BA Roundhead 1/2 (10)* $4.60
C6BARH14 6BA Roundhead 1/4 (10) $6.90
C6BARH18 6BA Roundhead 1/8 (10) $6.90
C8BARH1 8BA Roundhead 1" (10) $9.10
C8BARH12 8BA Roundhead 1/2 (10) $7.25
C8BARH14 8BA Roundhead 1/4 (10) $5.70
C8BARH18 8BA Roundhead 1/8 (10) $5.70
C8BARH34 8BA Roundhead 3/4 (10) $7.70
C10BARH1 10BA Roundhead 1" (10) $7.20
C10BARH12 10BA Roundhead 1/2 (10) $6.25
C10BARH14 10BA Roundhead 1/4 (10) $5.70
C10BARH18 10BA Roundhead 1/8 (10) $5.70
C10BARH316 10BA Roundhead 3/16(10) $4.40
C10BARH34 10BA Roundhead 3/4 (10) $8.55
C10BARH38 10BA Roundhead 3/8 (10) $7.25
C12BARH14 12BA Roundhead 1/4 (10) $6.35
C12BARH316 12BA Roundhead 3/16(10) $4.20
CST21226 6BA Hexagon Standard (10) $2.15
CST21228 8BA Hexagon Standard (10) $4.15
CST212210 10BA Hex. Std Steel Nuts(10) $4.60
CST21236 6BA Washers (20) $3.25
CST21238 8BA Washers (20) $3.60
CST212310 10BA Washers (20) $4.95
C6BACS12 6BA Countersunk 1/2 (10) $3.80
C6BACS14 6BA Countersunk 1/4 (10) $6.35
C6BACS18 6BA Countersunk 1/8 (10) $5.45
C8BACS1 8BA Countersunk 1 (10) $7.70
C8BACS12 8BA Countersunk 1/2 (10) $7.80
C8BACS14 8BA Countersunk 1/4 (10) $5.70
C8BACS18 8BA Countersunk 1/8 (10) $4.40
C8BACS34 8BA Countersunk 3/4 (10) $9.10
C10BACS1 10BA Countersunk 1" (10) $9.08
C10BACS12 10BA Countersunk 1/2 (10) $6.80
C10BACS14 10BA Countersunk 1/4 (10) $5.70
C10BACS18 10BA Countersunk 1/8 (10) $5.50
C10BACS34 10BA Countersunk 3/4 (10) $8.50
C12BACS12 12BA Countersunk 1/2 (10) $6.60
C12BACS14 12BA Countersunk 1/4 (10) $6.35
C12BACS18 12BA Countersunk 1/8 (10) $4.50
C12BACS316 12BA Countersunk 3/16 (10) $4.40
C12BACS38 12BA Countersunk 3/8 (10) $6.60
C14BACS12 14BA Countersunk 1/2 (10) $6.90
C14BACS14 14BA Countersunk 1/4 (10) $7.00
C14BACS332 14BA Countersunk 3/32 (10) $3.80
C16BACS14 16BA Countersunk 1/4 (10) $6.75
C16BACS316 16BA Countersunk 3/16 (10) $5.85
C21218 8BA Hex Lock (10) $1.75
C21224 4BA Hex Nuts Standard (10) $1.75
C21225 5BA Hex Nuts Standard (10) $1.75
C21226 6BA Hex Nuts Standard (10) $2.95
C21228 8BA Hex Nuts Standard (10) $2.75
C212210 10BA Hex Nuts Standard (10) $4.00
C212212 12BA Hex Nuts Standard (10) $4.10
C212214 14BA Hex Nuts Standard (10) $4.40
C212216 16BA Hex Nuts Standard (10) $6.45
C21236 6BA Washers Brass (20) $2.95
C21238 8BA Washers(20) $3.50
C212310 10BA Washers(20) $5.40
C212312 12BA Washers(20) $5.40
C212314 14BA Washers(20) $7.00
C1WSRH38 1 Gauge Roundhead 3/8 (10) $5.45
C2WSRH12 2 Gauge Roundhead 1/2 (10) $3.60
C2WSRH14 2 Gauge Roundhead 1/4 (10) $3.60
C2WSRH38 2 Gauge Roundhead 3/8 (10) $3.80
C3WSRH12 3 Gauge Roundhead 1/2 (10) $3.30
C3WSRH38 3 Gauge Roundhead 3/8 (10) $3.85
C1WSCS38 3 Gauge Roundhead 3/8 (10) $3.85
C2WSCS12 2 Gauge Countersunk 1/2 (10) $3.50
C2WSCS14 2 Gauge Countersunk 1/4 (10) $4.65
C3WSCS12 3 Gauge Countersunk 1/2 (10) $3.25
C2WSCS38 2 Gauge Countersunk 3/8 (10) $3.35
C3WSCS38 3 Gauge Countersunk 3/8 (10) $5.45
C3WSCS58 3 Gauge Countersunk 5/8 (10) $5.45
C2122M2 Brass Nuts Metric M2 $3.85
C2122M25 Brass Nuts Metric M2.5 $2.50
C2122M3 Brass Nuts Metric M3 $2.60
CM2CS5 Brass Metric M2 Countersunk 5mm $6.40
CM2CS10 Brass Metric M2 Countersunk10mm $5.45
CM2CS20 Brass Metric M2 Countersunk 20mm $3.35
CM25CS10 Brass Metric M2.5 Countersunk 10mm $4.50
CM3CS10 Brass Metric M3 C/Sunk 10mm $3.15
CM2PH5 Brass Metric M2 Panhead 5mm $5.45
CM2PH10 Brass Metric M2 Panhead 10mm $6.35
CM3PH10 Brass Metric M3 PanHead 10mm $3.80
CSSM16CS5 S/S Metric M1.6 C/Sunk 5mm $7.35
CSSM16CS10 S/S Metric M1.6 Countersunk10mm $10.40
CSSM16CH10 S/S Metric M1.6 Cheesehead 10mm $10.65
CSSM16PH5 S/S Metric M1.6 Panhead 5mm $6.85
CST8BACH12 8BA Cheesehead 1/2 (10) $6.40
CST8BACH14 8BA Cheesehead 1/4 (10) $5.05
CST10BACH12 10BA Cheesehead 1/2 (10) $5.45
CST12BACH12 12BA Cheesehead 1/2 (10) $5.45
CST14BACH14 14BA Cheesehead 1/4 (10) $4.95
CST8BARH14 8BA Roundhead 1/4 (10) $5.05
CST10BARH12 10BA Roundhead 1/2 (10) $5.40
CST12BARH316 12BA Roundhead 3/16 (10) $5.05
CST8BACS12 8BA Countersunk 1/2 (10) $6.45
CST8BACS14 8BA Countersunk 1/4 (10) $5.05
CST10BACS12 10BA Countersunk 1/2 (10) $5.70
CST8BAHX12 8BA Hexag. 1/2 (10) $7.25
CST8BAHX14 8BA Hexag. 1/4 (10) $5.70
CST10BAHX1 10BA Hexag. 1/4 (10) $3.95
CST12BAHX14 12BA Hexag. 1/4 (10) $5.90
CSS2122M16 Stainless Steel Metric M1.6 $5.45
CSS2123M16 S/Steel Metric Washers M1.6 (20) $3.25
C14BACH38 14BA Cheesehead 3/8 (10) $7.25
CST10BARH14 10BA Roundhead 1/4 (10) $5.70
CST10BACS14 10BA Countersunk 1/4 (10) $5.70
CST10BAHX12 10BA Hexag. 1/2 (10) $5.50
CST10BACH14 10BA Cheesehead 1/4 (10) $5.40
CST10BARH18 10BA Steel Roundhead 1/8 (10) $2.65
C4BACH12 4BA Cheesehead 1/2 (10) $4.35
CST12BARH38 12BA Roundhead Steel 3/8 (10) $2.50
C-2334 Brass screw eyes (10) $2.35
C-2122M2 Brass nuts metric M2 (10) $3.85
CZPS2STCS12 2 Gauge Zinc P. Self Tap C/Sunk 1/2 $3.50
CZPS2STCS14 2 Gauge Zinc P. Self Tap C/Sunk 1/4 $3.00
CZPS2STPH12 2 Gauge zinc p self tap posihead1/2 $2.95
CZPS2STPH14 2 Gauge Zinc P.SelfTap Pozi-Pan 1/4 $3.00
CM25PH10 Brass Metric M2.5 Panhead 10mm $4.10
C1WSCS12 1 Gauge Countersunk 1/2 (10) $5.25
CST10BAHX14 10BA Hex head 1/4 (10) $5.90
CSSM16CH5 Stainless Steel Metric M1.6 Cheesehead 5mm $7.25
C1042 2.30mm Drill Bit (6BA tap) $2.75
C1074 No 74 Drill Bit $3.00
C22334 Screw Eyes $2.40

Taps

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-1001 1.0mm Taper Tap $16.50
C-1002 1.2mm Taper Tap $16.50
C-1004 1.4mm Taper Tap $16.50
C-1006 1.6mm Metric Taper Tap $17.25
C-1009 8BA Plug Tap $17.90
C-1008 8BBA Taper Tap $19.50
C-1010 10BA Taper Tap $19.50
C-1011 10BA Plug Tap $19.50
C-1012 12BA Taper Tap $25.00
C-1013 12BA Plug Tap $24.50
C-1014 14BA Taper Tap $25.00
C-1015 14BA Plug Tap $29.00
C-1016 16BA Taper Tap $36.50
C-2020 2mm Taper Tap $11.20
C-2021 2mm Taper Tap/Plug Tap $11.20
C-2060 6BA Taper Tap $11.95
C-2061 6BA Plug Tap $11.95

Brass - Hinges

Code Description Price A$
C-2320 Brass 20mm backflap hinge $5.45
C-2341 Brass 12mm hinge (2) with pins $3.85
C-2342 Brass 19mm hinge (2) with pins $3.85
C-2343 Brass 25mm hinge (2) $4.15

Brass - Nails

Code Description Price A$
C219910 10mm brass nails x 50 $3.20
C-219912 12mm brass nails x 50 $3.30
C-21997 7mm brass nails x 50 $3.40
C-219912A 12mm brass nails x 200 $14.00