Factory photograph of truss tek screws (bf-147). Finishes shown are examples — all fifteen catalogue finishes are available on this item.
Truss Tek Screws (BF-147)
Truss head self-drilling screws, held in the same size and finish range as the rest of the tek line. The wide domed head is the one to specify where the fixing has to spread its load over a soft or thin substrate.
- M1.4-6.3(0#-14#)
- 6mm-300mm
- Wide domed truss head
- IFI, DIN, JIS, GB or drawing
- Fifteen finish options, plain through to Xylan
Specification
- Item code
- BF-147
- Standard
- IFI,DIN,JIS,GB,Special Design
- Size Range
- M1.4-6.3(0#-14#)
- Length Range
- 6mm-300mm
- Material
- Carbon steel and stainless steel A2 A4 and 410
- Product group
- Self Drilling Screws / Tek Screws
Item code BF-147 follows our internal catalogue reference — quote it and we know exactly which line you mean. Figures shown are the specification range this item is made to, not a stock list.
Selection options
Every option below can be specified against this item. Head and drive are chosen independently of each other, and of the point and thread form.
| Head types | Options |
|---|---|
| Available | Flat · Pan · Hex washer head · Hex washer flange · Bugle · Wafer · Pan washer · Oval · Flower · Truss · Round |
| Drive types | Options |
|---|---|
| Available | Phillips · Square · Pozidriv · Square + Phillips · Torx · Slotted · Phillips + slotted |
| Point types | Options |
|---|---|
| Available | TEK#1 · TEK#2 · TEK#3 · TEK#4 · TEK#5 · Type 17 |
| Thread forms | Options |
|---|---|
| Available | Type-A · BSB · CSB · Hi-low · Machine · Double |
| Surface finishes | Options |
|---|---|
| Available | Plain · Zinc plated · Colour zinc · Blue zinc · White zinc · Black zinc · Black phosphate · Grey phosphate · Black oxide · Dacrotized · Ruspert · Xylan · Nickel · Bronze · Spray paint |
| Additional requests | Options |
|---|---|
| Available | Serration under head · Without washer · With bonded washer · With PVC washer · With steel + EPDM washer · With rubber washer · With head mark · With wing · Slotted + wing |
Questions we get asked about this item
Is truss head available with a bonded washer?
The bonded washer is normally paired with a hex washer head. Tell us the joint and we will suggest the head and seal combination that works.
What is the largest diameter on this line?
M6.3 (14#) for self-drilling screws. Above that the job moves to bolts.
Also in Self Drilling Screws / Tek Screws
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Longer Hex Washer Head Tek Screws
Long hex washer head self-drilling screws in yellow zinc, for fixings that have to reach through insulation or a build-up of layers
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Pan Framing Tek Screws
Pan framing self-drilling screws — the screw used for light gauge steel framing, where studs and tracks have to be joined quickly an
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Truss Tek Screws
Truss head self-drilling screws with a washer face, supplied zinc plated.
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Truss Tek Screws (BF-153)
Truss head self-drilling screws in a yellow zinc finish.
View specificationRelated reading: self drilling vs self tapping · finishes and salt spray · materials and property classes
Quote Truss Tek Screws (BF-147)
Send diameter, length, head, drive, material, finish and quantity. If the combination you need is not on the standard matrix, send a drawing instead.