Hex Bolt G2 UNC Black in carbon steel, black, Grade 2, inch thread. 5 sizes available; sold per unit.
| SKU | Size | Price | Status | Qty | |
|---|---|---|---|---|---|
| VT-9115 | 1/4 X 5/8 | $ 110 | In stock | ||
| VT-9192 | 9/16 X 1.1/4 | $ 1.100 | In stock | ||
| VT-9220 | 5/8 X 7 | $ 6.422 | In stock | ||
| VT-9221 | 5/8 X 8 | $ 5.850 | In stock | ||
| VT-9235 | 3/4 X 8 | $ 9.234 | In stock |
Prices per unit, before VAT. Availability is confirmed in the formal quote.
| Material | acero al carbono |
| Finish | negro |
| Grade / Standard | Grado 2 |
| Thread system | pulgadas |
| Family | Hex bolts |
Grade 2 UNC black hex bolt is a hex head bolt for maintenance, light assembly and general fastening with coarse inch thread. At TECTUL it is quoted per unit and by actual available size, cross-checking diameter, length, pitch, material, finish and standard before confirming price. This reference is differentiated by Grade 2 UNC black for general use; it is not higher-strength Grade 5 or Grade 8. The material reported for the lot is black carbon steel. For class 8.8, 10.9 and SAE grades, selection must respect the requested mechanical property; for DIN 933, DIN 931, DIN 960 or DIN 961, full, partial, standard or fine thread geometry is validated according to the drawing. For ASTM A325, A490 or A394, the project standard defines bolt, nut, washer and assembly. We do not publish single torque or load values because they depend on lubrication, coating, grip length, thread condition and engineering criteria.
| Reported actual size | Family diameter | Pitch or thread | Sale |
|---|---|---|---|
| 1/4 X 5/8 | 1/4, 3/4, 5/8 and 9/16 | UNC | unit |
| 3/4 X 8 | 1/4, 3/4, 5/8 and 9/16 | UNC | unit |
| 5/8 X 7 | 1/4, 3/4, 5/8 and 9/16 | UNC | unit |
| 5/8 X 8 | 1/4, 3/4, 5/8 and 9/16 | UNC | unit |
| 9/16 X 1.1/4 | 1/4, 3/4, 5/8 and 9/16 | UNC | unit |
We dispatch to Bogotá, Medellín, Cali, Barranquilla and all of Colombia. Request a quote via WhatsApp for this grade 2 unc black hex bolt, indicating size, quantity, pitch, finish and whether you need a compatible nut or washer.
The price depends on size, length, quantity, finish, standard and availability. TECTUL quotes per unit with the exact reference requested.
Grade 5 provides higher mechanical strength. Grade 2 is used in general joints when the design does not require a higher class.
It is installed by verifying diameter, pitch, usable length, compatible nut and assembly torque according to the equipment or drawing. Do not force a thread that does not start freely.
Send diameter, length, pitch or thread, quantity, material, finish, required standard and a photo or drawing if you are replacing an existing reference.
The sale is handled per bolt unit unless the quotation specifies a set. Indicate whether you need a nut, flat washer, lock washer or structural set.
Yes. TECTUL dispatches to Bogotá, Medellín, Cali, Barranquilla and other cities in Colombia depending on availability and carrier.
Updated: July 22, 2026
