Tantalum Bolt & Fastener, LLC
56 Clematis Ave, Waltham, MA 02453
Operating signal within 12 months from two or more independent sources.
What they make
Bolt, Nut, Screw, Rivet, and Washer Manufacturing332722Extreme Bolt manufactures fasteners including screws, bolts, nuts, washers, studs, and threaded rod, as well as flanges in various styles. The company offers these products in specialty metals such as 17-4 PH, 254 SMO, 310SS, A4-100, A-286, AL6XN, and Alloy 20, and provides additional capabilities including coatings and plating and secondary processes.
SUMMARIZED FROM THE COMPANY’S OWN WEBSITE
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Marposa Manufacturing | Waltham | Machine Shops 332710 | LIKELY ACTIVE | 2.9 KM |
| American Engineered Components INC | Boston (brighton) | Bolt, Nut, Screw, Rivet, and Washer Manufacturing 332722 | UNVERIFIED | 4.2 KM |
| Wyzer Biosciences | Auburndale | Machine Shops 332710 | UNVERIFIED | 6.3 KM |
| Hope, INC. | Needham Heights | Fluid Power Valve and Hose Fitting Manufacturing 332912 | ACTIVE | 8.6 KM |
| Exact Engineering | Needham | Machine Shops 332710 | UNVERIFIED | 10.7 KM |
Also at this address
No other federal record shares this street address.
WHERE THIS RECORD COMES FROM — 2 FEDERAL SOURCES, 8 FIELDS
Every fact on this page traces to a public federal filing. The table below names which register holds this facility, whether that register proves the plant operates or only that it exists, and when each of them last saw it.
| Source | Evidence | First seen | Last seen |
|---|---|---|---|
| COMPANY SITE | OPERATING | JUL 2026 | AUG 2026 |
| SAM GOV | OPERATING | OCT 2025 | OCT 2025 |
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| ADDRESS LINE1 | SAM GOV | OCT 2025 |
| CAGE CODE | SAM GOV | OCT 2025 |
| CITY | SAM GOV | OCT 2025 |
| GEOM | CENSUS GEOCODER | JUL 2026 |
| NAME | SAM GOV | OCT 2025 |
| REGISTRATION EXPIRATION | SAM GOV | OCT 2025 |
| STATE | SAM GOV | OCT 2025 |
| WEBSITE | SAM GOV | OCT 2025 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.