Screw 1/4-20 x 1″ 7CU003
$1.99
Genuine Tacony OEM 1/4-20 x 1 inch screw (part# 7CU003) used in the Tornado Marathon SE 900 (Model 98170) and Powr-Flite Prowler PFX900S brush assembly. A heavy thread at a length that puts full engagement into a deep joint.
The Screw 1/4-20 x 1″ (part# 7CU003) is a genuine Tacony OEM replacement part from the brush assembly of the Tornado Marathon SE 900 self-contained carpet extractor. It is the specified 1/4-20 coarse thread screw at one inch length, used at brush assembly fastening points.
What the Screw 1/4-20 x 1″ does
Where a joint has real depth and real load, the screw needs the length to reach through it and still develop full thread engagement at the far end. One inch is that length here. Substituting something shorter leaves the screw gripping only the first few threads, which holds fine on the bench and then backs out under the vibration a brushroll produces continuously.
When to replace the Screw 1/4-20 x 1″ (7CU003)
Replace it when the drive recess is chewed, when the thread is galled, stripped, or bent, or when corrosion has locked it in place. Any screw that had to be drilled or extracted goes in the bin, and the hole it came out of should be checked before a new one goes in.
Screw 7CU003 — fitment and installation notes
Clean both threads before reassembly, because the brush area packs fibre and dried chemistry into everything. Tighten in sequence with the rest of the joint rather than fully seating one screw first, and check the brush spins freely by hand before running the machine. Tacony builds the Tornado Marathon SE 900 and the Powr-Flite Prowler PFX900S on a single machine platform, so this component carries across both brands rather than belonging to either one. It is a shared Tacony component and may fit additional models beyond those listed — call us and we will confirm against your serial number.
Compatible Models for the Screw 1/4-20 x 1″
- Tornado Marathon SE 900 — Model 98170
- Powr-Flite Prowler PFX900S
- Powr-Flite PFX900SG
Twin City Vacuum has been selling and servicing commercial floor-care equipment since 1956 from 5415 West Broadway, Crystal, MN 55428. We stock genuine Tacony parts and ship nationwide. Browse the full Tornado 98170 parts catalogue, or see the manufacturer at tornadovac.com.
Frequently Asked Questions
What does the Screw 1/4-20 x 1″ do on the Tornado Marathon SE 900?
Where a joint has real depth and real load, the screw needs the length to reach through it and still develop full thread engagement at the far end. One inch is that length here. Substituting something shorter leaves the screw gripping only the first few threads, which holds fine on the bench and then backs out under the vibration a brushroll produces continuously.
How do I know if my Screw 1/4-20 x 1″ needs replacing?
Replace it when the drive recess is chewed, when the thread is galled, stripped, or bent, or when corrosion has locked it in place. Any screw that had to be drilled or extracted goes in the bin, and the hole it came out of should be checked before a new one goes in.
What models is the Screw 1/4-20 x 1″ (part# 7CU003) compatible with?
The Tornado Marathon SE 900 (Model 98170), the Powr-Flite Prowler PFX900S and the PFX900SG. It is a shared Tacony part and may fit further models; call us to confirm.
How do I order the Screw 1/4-20 x 1″ (part# 7CU003) or get help?
You can add the Screw 1/4-20 x 1″ (part# 7CU003) directly to your cart on this page, or call us at 763-535-0770. Our staff at 5415 West Broadway, Crystal, MN 55428 has been servicing Tornado equipment since 1956 and can help confirm the right part for your machine.
