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ProSpin®
Bar-Stock Aluminum Spinner with brushed metal finish! |
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For electric motors, click here! |
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- ProSpin spinners are made from high quality barstock for strength. They won't crack like cheap cast aluminum spinners do.
- ProSpin spinners are also 30% lighter than cast aluminum.
- All spinners include a shaft bushing, prop nut, and bolt.
- All spinners are polished to a brushed metal finish.
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Notes on Ordering: |
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1. Find out the size of the prop nut you need. The size of the included prop nut is listed below.
2. If you need a different prop nut, you need to order it separately.
3. Some engines, i.e. Saito engines, require a bushing that is larger than the nut.
In such case, please let us know your special needs, in the notes of your online order, or when you call.
We will try to match the correct bushing to fit your engine.
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Bar-Stock Aluminum Spinners for 2-Blade Propellers
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Item No. |
Size |
Prop Nut |
Wt. oz/g |
Sale |
PS150 |
1 1/2" |
1/4"-28 |
0.9 / 26 |
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PS175 |
1 3/4" |
1/4"-28 |
1.1 / 31 |
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PS200 |
2" |
1/4"-28 |
1.4 / 40 |
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PS225 |
2 1/4" |
1/4"-28 |
1.8 / 51 |
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PS250 |
2 1/2" |
1/4"-28 |
2.1 / 60 |
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PS275 |
2 3/4" |
1/4"-28 |
2.6 / 74 |
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PS300 |
3" |
1/4"-28 |
3.0 / 85 |
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PS325 |
3 1/4" |
1/4"-28 |
3.4 / 96 |
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PS350 |
3 1/2" |
5/16"-24 |
5.0 / 142 |
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PS375 |
3 3/4" |
5/16"-24 |
5.1 / 145 |
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PS400 |
4" |
5/16"-24 |
5.2 / 148 |
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PS450 |
4 1/2" |
10 mm x 1.25 |
8.2 / 233 |
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PS500 |
5" |
10 mm x 1.25 |
8.8 / 250 |
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Bar-Stock Aluminum Spinner for 3-Blade Propellers
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Item No. |
Size |
Prop Nut |
Wt. oz |
Sale |
PS250-3 3-bld |
2.5" |
1/4"-28 |
n/a |
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PS275-3 3-bld |
2.75" |
1/4"-28 |
n/a |
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PS300-3 3-bld |
3" |
1/4"-28 |
n/a |
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PS350-3 3-bld |
3 1/2" |
5/16"-24 |
n/a |
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PS450-3 3-bld |
4 1/2" |
10 mm x 1.25 |
n/a |
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Bar-Stock Aluminum Uncut Spinners for Custom Propellers |
Item No. |
Size |
Prop Nut |
Wt. oz |
Sale |
PSB175B |
1 3/4" |
1/4"-28 |
n/a |
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PSB200B |
2" |
1/4"-28 |
n/a |
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PSB225B |
2 1/4" |
1/4"-28 |
n/a |
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PSB275B |
2 3/4" |
1/4"-28 |
n/a |
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PSB300B |
3" |
1/4"-28 |
n/a |
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PSB325B |
3 1/4" |
1/4"-28 |
n/a |
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PSB350B |
3 1/2" |
5/16"-24 |
n/a |
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PSB450B |
4 1/2" |
10 mm x 1.25 |
n/a |
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Hold-Down Bolts |
P/N Item |
Sale |
PB8 Bolt for Zenoah G-62 #8-32 |
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PB10 Bolt for Zenoah G-62 #10-32 |
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PB3 4mm Bolt for ProSpin, 30mm long |
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PB5 4mm Bolt for ProSpin, 50mm long |
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PB7 4mm Bolt for ProSpin, 70mm long |
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PB9 4mm Bolt for ProSpin, 90mm long |
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Prop Nuts |
P/N Item |
Sale |
PN14 Prop. nut, 1/4"-28 w/ 1/4" Bushing |
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PN516 Prop. nut, 5/16"-24 w/ 5/16" Bushing |
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PN38 Prop. nut, 3/8"-24 w/ 3/8" Bushing |
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PN60 Prop. nut, 6mm x 1 w/ 6mm Bushing |
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PN70 Prop. nut, 7mm x 1 w/ 7mm Bushing |
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PN81 Prop. nut, 8mm*1.0 w/ 8mm Bushing |
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PN82 Prop. nut, 8mm*1.25 w/ 8mm Bushing |
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PN101 Prop. nut, 10mm*1.0 w/ 10mm Bushing |
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PN102 Prop. nut, 10mm*1.25 w/ 10mm Bushing |
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Bar-Stock Aluminum Spinners for Electric Motors |
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- Made of high quality aluminum bar stock.
- Light weight design.
- Multiple collets for different motors included.
- All polished to brushed metal finish.
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P/N |
Dia. |
fits Shaft Dia. |
Wt. oz / g |
Motor type |
Sale |
PS29 |
29mm |
2.3mm, 1/8" (3.2mm), 5/32" (4mm) |
.26 / 7 |
Cobalt 400, Speed 400 |
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PS38 |
38mm |
5/32" (4mm) |
.40 / 11 |
Cobalt 05, 15,20, BL motors |
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PS44 |
44mm |
5/32" (4mm) |
.85 / 24 |
Cobalt 05, 15, 20, BL motors |
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PS50 |
50mm |
5/32" (4mm) |
1.07 / 30 |
Cobalt 05, 15, 20, BL motors |
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The following spinners are cut for Pusher-Prop |
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PSR29R |
29mm |
2.3mm, 1/8" (3.2mm), 5/32" (4mm) |
.26 / 7 |
Cobalt 400, Speed 400 |
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PSR38R |
38mm |
1/8" (3.2mm), 5/32" (4mm) , 5mm |
.40 / 11 |
Cobalt 05, 15, 20, BL motors |
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PSR44R |
44mm |
5/32" (4mm) |
.85 / 24 |
Cobalt 05, 15, 20, BL motors |
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PSR50R |
50mm |
5/32" (4mm) |
1.07 / 30 |
Cobalt 05, 15, 20, BL motors |
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The following spinners are UN-CUT |
PSB29B |
29mm |
2.3mm, 1/8" (3.2mm), 5/32" (4mm) |
.26 / 7 |
Cobalt 400, Speed 400 |
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PSB38B |
38mm |
1/8" (3.2mm), 5/32" (4mm) , 5mm |
.40 / 11 |
Cobalt 05, 15, 20, BL motors |
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Extra Collets for Electric Spinners |
PC22 |
2mm |
collet for PS29 |
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PC32 |
3mm |
collet for PS29 |
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PC82 |
1/8" |
collet for PS29
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PC232 |
2.3mm |
collet for PS29
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PC40H |
4mm |
collet for PS38, PS44 and PS50 spinners
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PC50H |
5mm |
collet for PS38, PS44 and PS50 spinners
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Extra Bolts for Electric Spinners |
PBE2 |
2x12mm |
bolt for PS29 and PS38 4 pcs
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PBE3 |
3x12mm |
bolt for PS44 and PS50 4 pcs |
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Bar-Stock Aluminum Adjustable Pitch Spinner for Folding Prop |

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- Made of high quality aluminum bar stock.
- Light weight design.
- Fits all blades with 8 mm hub and 3 mm hole,
- Optional collets for different motor shafts,
- Adjust pitch to optimize your power setup and flight performance,
- Adjustment range varies with each blade/spinner combination. Typically, with a 12x6 blade set, the pitch could be set between 12x3 and 12x9.
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P/N |
Dia. |
fits Shaft Dia. |
Wt. oz |
Sale |
PU40 |
40mm |
4mm (5/32") |
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PU45 |
45mm |
4mm (5/32") |
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PU50 |
50mm |
4mm (5/32") |
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Extra Collets for Folding Prop Spinners |
PUC18 |
1/8", 3.17mm |
Collet for Adj. Pitch folding prop Hub, 1/8" |
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PUC4 |
4mm |
Collet for Adj. Pitch folding prop Hub, 4mm (5/32") |
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PUC5 |
5mm |
Collet for Adj. Pitch folding prop Hub, 5mm |
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PUC6 |
6mm |
Collet for Adj. Pitch folding prop Hub, 6mm |
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Bar-Stock Aluminum Folding Prop Spinners for Electric Motors |
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- Made of high quality aluminum bar stock.
- Light weight design.
- Three styles - Regular Code, Turbo type, & APC type
- Regular Cone & Turbo type blades with 8mm hub & 3mm hole,
- Multiple collets for different motor shafts included
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Turbo Type (top of the picture, with cooling hole)
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P/N |
Dia. |
fits Shaft Dia. |
Wt. oz/g |
Sale |
PT30 |
30mm |
1/8" (3.2mm), 5/32" (4mm) |
.35 / 10 |
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PT36 |
36mm |
1/8" (3.2mm), 5/32" (4mm) |
.50 / 14 |
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PT40 |
40mm |
5/32" (4mm), 5mm |
.60 / 17 |
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PT45 |
45mm |
5/32"(4mm), 3mm |
.71 / 20 |
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PT50 |
50mm |
5mm, 6mm |
1.1 / 31 |
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PT55 |
55mm |
5mm, 6mm |
1.3 / 35 |
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Regular Cone (mid of the picture)
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P/N |
Dia. |
fits Shaft Dia. |
Wt. oz |
Sale |
PK30 |
30mm |
1/8" (3.2mm), 5/32" (4mm) |
.35 / 10 |
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PK36 |
36mm |
1/8" (3.2mm), 5/32" (4mm) |
.50 / 14 |
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PK38 |
38mm |
5/32" (4mm), 5mm |
.60 / 17 |
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PK40 |
40mm |
5/32" (4mm), 5mm |
.60 / 17 |
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PK45 |
45mm |
5/32" (4mm), 5mm |
.71 / 20 |
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PK50 |
50mm |
5mm, 6mm |
1.1 / 31 |
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PK55 |
55mm |
5mm, 6mm |
1.3 / 35 |
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APC Type (bottom of the picture, fits APC blades ONLY)
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P/N |
Dia. |
fits Shaft Dia. |
Wt. oz |
Sale |
PA30 |
30mm |
1/8" (3.2mm), 5/32" (4mm) |
.49 / 14 |
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PA36 |
36mm |
1/8" (3.2mm), 5/32" (4mm) |
.56 / 16 |
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PA40 |
40mm |
5/32" (4mm), 5mm |
.63 / 18 |
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PA45 |
45mm |
5/32" (4mm), 5mm |
.78 / 22 |
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PA50 |
50mm |
5mm, 6mm |
1.06 /30 |
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PA55 |
55mm |
5mm, 6mm |
1.3 / 35 |
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Extra Collets for Folding Prop Spinners |
PFC18 |
1/8", 3.17mm |
collet for all PT, PK, & PA spinners except PT50, PK50 and PA50 |
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PFC2 |
2.0mm |
collet for all PT, PK, & PA spinners except PT50, PK50 and PA50 |
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PFC23 |
2.3mm |
collet for all PT, PK, & PA spinners except PT50, PK50 and PA50 |
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PFC3 |
3mm |
collet for all PT, PK, & PA spinners except PT50, PK50 and PA50 |
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PFC4 |
4mm |
collet for all PT, PK, & PA spinners except PT50, PK50 and PA50 |
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PFC5 |
5mm |
collet for all PT, PK, & PA spinners except PT50, PK50 and PA50 |
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PFC54 |
4mm |
collet for PT50, PK50, PA50, PT55, PK55 and PA55 |
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PFC55 |
5mm |
collet for PT50, PK50, PA50, PT55, PK55 and PA55 |
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PFC56 |
6mm |
collet for PT50, PK50, PA50, PT55, PK55 and PA55 |
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