Navigation icon
  1. Home >
  2. Blog >
  3. Enameled Wire Spool Specifications

Enameled Wire Spool Specifications

Updated : Feb. 19, 2024

Chalco offers different types of wire spools according to customer requirements, allowing customers to select based on their preferences.

Asia standard spool type

Selection of Spool Type

Spool Types Diagramm Wire Sizes Characteristics
Biconical Biconical 0.010 - 0.10 mm Biconical spool for fine and ultrafine wire, superb de-reeling capability, ideal for high speed winding machines
Tapered Tapered 0.065 - 0.50 mm Stable winding due to tapered barrel spool for heavier sizes
Container Container Container for large spools

Biconical Spool

Spool Type d1 [mm] d4 [mm] I1 [mm] I2 [mm] d14 [mm] Spool weight [g] recommended for wire sizes [mm]
76/45 63.5 16 86 60 - 72.5 0.010 - 0.019
79/45 80 16 100 69.5 - 85 0.016 - 0.022
99L 100 16 125 96 - 150 0.020 - 0.030
124/45R 125 16 125 65 - 160 0.025 - 0.040
PL-4S 135 22 175 110 - 320/260 0.035 - 0.070
159/45R 160 22 160 85 - 315 0.035 - 0.070
199/45R 200 22 200 106 - 600 0.050 - 0.100

Tapered Spool

Spool Type d1 [mm] d4 [mm] I1 [mm] I2 [mm] d14 [mm] Spool weight [g] recommended for wire sizes [mm]
PT-4 124 22 200 170 140 270 0.065 - 0.120
PT-10 160 22 230 20 180 620/420 0.065 - 0.150
PT-15 180 22 230 200 200 550 0.110 - 0.300
PT-25 215 32 280 250 230 1000 0.120 - 0.500
PT-45 236 100 400 335 250 2150 0.120 - 0.500
PT-90 300 100 500 425 315 3900 0.200 - 0.500

Container

Dimensions
Spool h1 [mm] d1 [mm]
PT-45 475 308
PT-90 630 400

Europe standard spool type

Selection of Spool Type

Spool Types Diagramm Wire Sizes Characteristics
Biconical Biconical 0.010 - 0.15 mm Biconical spool for fine and ultrafine wire, superb de-reeling capability, ideal for high speed winding machines
Cylindrical Cylindrical 0.05 - 0.50 mm Straight barrel spool, solid traditional design
Tapered Tapered 0.10 - 0.50 mm Stable winding due to tapered barrel spool for heavier sizes
Container Container Container for large spools

Biconical Spool

Spool Type d1 [mm] d4 [mm] I1 [mm] I2 [mm] Spool weight [g] recommended for wire sizes [mm]
76/45 63.5 16 86 60 70 0.010 - 0.019
79/45 80 16 100 70 80 0.020 - 0.024
99L 100 16 125 96 150 0.016 - 0.032
124/45R 125 16 125 65 160 0.030 - 0.044
124L 125 22 200 140 290 0.030 - 0.060
159/45R 160 22 160 85 315 0.044 - 0.071
199/45R 200 22 200 106 600 0.050 - 0.100
199L 200 22 315 221 900 0.050 - 0.090
249/45R 250 22 250 132 1000 0.063 - 0.140

Cylindrical Spool

Spool Type d1 [mm] d4 [mm] I1 [mm] I2 [mm] Spool weight [g] recommended for wire sizes [mm]
80K 80 16 80 64 70 0.025 - 0.030
100K 100 16 100 80 125 0.030 - 0.036
125K 125 16 125 100 200 0.050 - 0.060
160K 160 22 160 128 350 0.050 - 0.071
200K 200 22 200 160 600 0.060 - 0.120
250K 250 22 200 160 1050 0.100 - 0.500

Tapered Spool

spool type d1 [mm] d4 [mm] l1 [mm] l2 [mm] d14 [mm] spool weight [g] recommended for wire sizes [mm]
250KK 250 22 200 160 250 1050 0.100 - 0.500
250/400K 236 100 400 335 250 2250 0.125 - 0.500
315/500K 300 100 500 425 315 4350 0.250 - 0.500
400/630K 375 100 630 530 400 7300 0.250 - 0.500

Container

Dimensions
Spool h1 [mm] d1 [mm]
199L 399 260
250 295 305
249/45R 351 306
250/400 500 315
315/500 630 400
400/630 800 500

America standard spool type

Selection of Spool Type

Spool Types Diagramm Wire Sizes Characteristics
Biconical Biconical 37 - 58 AWG 0.010 mm - 0.114 mm Biconical spool for fine and ultrafine wire, superb de-reeling capability, ideal for high speed winding machines
Cylindrical Cylindrical 31 - 50 AWG 0.050 mm - 0.511 mm Straight barrel spool, solid traditional design
Tapered Tapered 24 - 38 AWG 0.102 mm - 0.511 mm Stable winding due to tapered barrel spool for heavier sizes
Container Container Container for large spools

Biconical Spool

Spool Designation (inch) d1 [inch] d4 [inch] I1 [inch] I2 [inch] AWG Range
HK 76/45 2.50 0.63 3.40 2.36 46 to 58
3S 3.15 0.63 3.94 2.76 39 to 54
4S 3.94 0.63 3.94 1.85 39 to 52
5S 4.92 0.63 4.92 2.25 39 to 50
5SL 4.92 0.86 7.88 5.50 39 to 50
6S 6.30 0.63/0.86 6.30 2.88 38 to 46
8S 7.88 0.86 7.88 3.64 37 to 43
10S 9.84 0.86 9.84 4.45 37 to 42


Spool Designation (metric) d1 [mm] d4 [mm] I1 [mm] I2 [mm] mm Range
HK 76/45 63.5 16 86 60 0.010 - 0.040
3S 80 16 100 70 0.015 - 0.089
4S 100 16 100 49 0.020 - 0.089
5S 125 16 125 65 0.025 - 0.089
5SL 125 22 200 140 0.025 - 0.089
6S 160 22 160 85 0.045 - 0.102
8S 200 22 200 106 0.056 - 0.114
8SL 200 22 315 221 0.056 - 0.114
10S 250 22 250 132 0.064 - 0.114

Cylindrical Spool

Spool Designation (inch) d1 [inch] d4 [inch] I1 [inch] I2 [inch] AWG Range
3x3 3.15 0.63 3.15 2.52 39 - 50
4x4 3.94 0.63 3.94 3.15 39 - 46
5x5 4.92 0.63 4.92 3.94 39 - 44
6x6 6.30 0.63/0.86 6.30 5.04 31 - 38
Spool Designation (metric) d1 [mm] d4 [mm] I1 [mm] I2 [mm] mm Range
3x3 80 16 80 64 0.025 - 0.089
4x4 100 16 100 80 0.040 - 0.089
5x5 125 16 125 100 0.050 - 0.089
6x6 160 16/22 160 128 0.102 - 0.226

Tapered Spool

Spool Designation (inch) d1 [inch] d4 [inch] I1 [inch] I2 [inch] dl4 [inch] AWG Range
V50 8.50 1.50 10.00 9.00 9.25 24 - 38
V100 10.00 1.50 13.25 12.00 11.00 24 - 36
250/400K 9.29 3.93 15.75 13.19 9.84 24 - 36
315/500K 11.81 3.93 19.70 16.70 12.40 24 - 30
400/630K 14.76 3.93 24.80 20.87 15.75 24 - 30
Spool Designation (metric) d1 [mm] d4 [mm] I1 [mm] I2 [mm] dl4 [mm] mm Range
V50 216 38 253 227 235 0.102-0.551
V100 254 38 335 305 279.4 0.127-0.511
250/400K 236 100 400 335 250 0.124-0.513
315/500K 300 100 500 425 315 0.251-0.513
400/630K 375 100 630 530 400 0.250-0.500

Container

Dimensions
Spool h1 [mm] d1 [mm] h1 [inch] d1 [inch]
199L 399 260 15.70 10.24
250 295 305 11.61 12.00
249/45R 351 306 13.81 12.05
250/400 500 315 19.69 12.40
315/500 630 400 24.80 15.75
400/630 800 500 31.50 19.69