Double-Thread Self-Drilling Hex Flange Construction Screw with Neoprene Washer in carbon steel, inch thread. 14 sizes available; sold by unit.
| SKU | Size | Price | Status | Qty | |
|---|---|---|---|---|---|
| VT-350 | 10 X 2 | $ 395 | In stock | ||
| VT-351 | 10 X 2.1/2 | $ 448 | In stock | ||
| VT-352 | 10 X 3 | $ 503 | In stock | ||
| VT-353 | 10 X 3.1/2 | $ 592 | In stock | ||
| VT-354 | 10 X 4 | $ 651 | In stock | ||
| VT-355 | 10 X 4.1/2 | $ 718 | In stock | ||
| VT-356 | 12 X 1.1/2 | $ 278 | In stock | ||
| VT-357 | 12 X 2 | $ 322 | In stock | ||
| VT-358 | 12 X 2.1/2 | $ 368 | In stock | ||
| VT-359 | 12 X 3 | $ 426 | In stock | ||
| VT-360 | 12 X 3.1/2 | $ 481 | In stock | ||
| VT-361 | 12 X 4 | $ 552 | In stock | ||
| VT-362 | 12 X 4.1/2 | $ 611 | In stock | ||
| VT-363 | 12 X 5 | $ 682 | In stock |
Prices per unit, before VAT. Availability is confirmed in the formal quote.
| Material | acero al carbono |
| Thread system | pulgadas |
| Family | Stove & machine screws |
Double-Thread Self-Drilling Hex Flange Construction Screw with Neoprene Washer is a TECTUL reference for fastening sheet metal, roofing, enclosures, and light construction where drilling and fastening are required in one operation. The actual lot reports carbon steel material, sold by unit, and inch thread family; in the technical sheet it is separated by drill point, double thread, hex flange head, and neoprene washer for bearing and sealing. To buy without errors, validate head, drive, diameter or pitch, usable length, and finish against the sample, drawing, or existing nut. Drill point and seal performance depend on gauge, base material, washer, and tightening method; validate with an on-site test. We do not publish a single torque or capacity because the result depends on base material, thickness, lubrication, coating, head bearing, vibration, grip length, and tightening method.
| Actual size from datos.json | Type | Head or point | Material | Sale unit |
|---|---|---|---|---|
| 10 X 2 | self-drilling construction screw | hex flange head with drill point and neoprene washer | carbon steel | unit |
| 10 X 2.1/2 | self-drilling construction screw | hex flange head with drill point and neoprene washer | carbon steel | unit |
| 10 X 3 | self-drilling construction screw | hex flange head with drill point and neoprene washer | carbon steel | unit |
| 10 X 3.1/2 | self-drilling construction screw | hex flange head with drill point and neoprene washer | carbon steel | unit |
| 10 X 4 | self-drilling construction screw | hex flange head with drill point and neoprene washer | carbon steel | unit |
| 10 X 4.1/2 | self-drilling construction screw | hex flange head with drill point and neoprene washer | carbon steel | unit |
| 12 X 1.1/2 | self-drilling construction screw | hex flange head with drill point and neoprene washer | carbon steel | unit |
| 12 X 2 | self-drilling construction screw | hex flange head with drill point and neoprene washer | carbon steel | unit |
| 12 X 2.1/2 | self-drilling construction screw | hex flange head with drill point and neoprene washer | carbon steel | unit |
| 12 X 3 | self-drilling construction screw | hex flange head with drill point and neoprene washer | carbon steel | unit |
| 12 X 3.1/2 | self-drilling construction screw | hex flange head with drill point and neoprene washer | carbon steel | unit |
| 12 X 4 | self-drilling construction screw | hex flange head with drill point and neoprene washer | carbon steel | unit |
| 12 X 4.1/2 | self-drilling construction screw | hex flange head with drill point and neoprene washer | carbon steel | unit |
| 12 X 5 | self-drilling construction screw | hex flange head with drill point and neoprene washer | carbon steel | unit |
We dispatch to Bogotá, Medellín, Cali, Barranquilla, and all of Colombia. Request a quote via WhatsApp for this double-thread self-drilling hex flange construction screw with neoprene washer indicating size, quantity, finish, delivery city, and a photo if you are replacing a sample.
The price depends on size, quantity, finish, and availability. TECTUL quotes by unit and confirms the reference before dispatch.
DIN 6921 is a metric machine-thread hex flange bolt. This item is self-drilling for sheet metal or light construction and uses a neoprene washer.
Test on the actual sheet metal gauge before production; the drill point must cut without slipping.
Send the complete size, quantity, material or finish, head type, delivery city, and a photo or drawing if you are replacing an existing part.
It depends on the coating and environment. For humidity, washdown, or frequent outdoor exposure, validate stainless steel or another specification before buying.
Yes. TECTUL dispatches to Bogotá, Medellín, Cali, Barranquilla, and other cities in Colombia depending on availability and carrier.
Updated: July 22, 2026
