Factory photograph of machine screws (bf-139). Finishes shown are examples — all fifteen catalogue finishes are available on this item.
Machine Screws (BF-139)
Stainless steel machine screws across the head range — pan, flat, hex washer, bugle, wafer, truss, oval, flower and round — in SUS302, 304, 305, 316, 410 and 430.
- M0.8 – M42
- 2mm – 3000mm
- Eleven head types, seven drive types
- SUS302 / 304 / 305 / 316 / 410 / 430
- M1.4–M6 (0#–14#), 6mm–300mm
Specification
- Item code
- BF-139
- Product group
- Machine Screws in Stainless Steel
Item code BF-139 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
Can you supply a head we do not see listed?
Special design to customer drawing is on every line in the catalogue. Send the drawing and we will quote against it.
Are these supplied with nuts?
Nuts in A2 and A4 are made on the same catalogue and can be quoted with the screws.
Also in Machine Screws in Stainless Steel
See all
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 specification
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
View specification
Truss Tek Screws
Truss head self-drilling screws with a washer face, supplied zinc plated.
View specification
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 Machine Screws (BF-139)
Send diameter, length, head, drive, material, finish and quantity. If the combination you need is not on the standard matrix, send a drawing instead.