Factory photograph of stainless steel tek screws (bf-155). Finishes shown are examples — all fifteen catalogue finishes are available on this item.
Stainless Steel Tek Screws (BF-155)
Stainless steel self-drilling screws in the standard M1.4–6.3 range. Grades run SUS302, 304, 305, 316, 410 and 430, in property classes A2-70, A2-80, A4-70 and A4-80, against IFI, DIN, JIS, GB or your drawing.
- M1.4-6.3(0#-14#)
- 6mm-300mm
- A2-70, A2-80, A4-70 and A4-80 property classes
- SUS302 / 304 / 305 / 316 / 410 / 430
- Salt spray tested — 24 to 2000 hours depending on material and finish
Specification
- Item code
- BF-155
- 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
- Stainless Steel Self Drilling Screws
Item code BF-155 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
What does A2-70 actually specify?
A2 is the steel group (chromium-nickel, broadly 304) and 70 is the tensile strength class. A4 is the molybdenum-bearing group, broadly 316.
Do you test salt spray on stainless too?
Salt spray is quoted across the catalogue from 24 to 2000 hours by material and finish, and the stainless self-drilling line reaches up to 3000 hours.
Also in Stainless Steel Self Drilling Screws
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Stainless Steel Hex Washer Head Tek Screws
Stainless steel hex washer head self-drilling screws.
View specification
Pan Head Tek Screws
Pan head self-drilling screws.
View specification
Stainless Steel Tek Screws with PVC Washer
Stainless steel self-drilling screws supplied with a PVC washer.
View specification
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
View specificationRelated reading: self drilling vs self tapping · finishes and salt spray · materials and property classes
Quote Stainless Steel Tek Screws (BF-155)
Send diameter, length, head, drive, material, finish and quantity. If the combination you need is not on the standard matrix, send a drawing instead.