Factory photograph of machine screws (bf-146). Finishes shown are examples — all fifteen catalogue finishes are available on this item.
Machine Screws (BF-146)
Machine screws, M1.4–M6 (0#–14#), 6mm to 300mm long, in carbon steel or stainless A2, A4 and 410, to IFI, DIN, JIS, GB or drawing. A machine thread runs into a tapped hole or a nut rather than forming its own.
- M1.4-M6(0#-14#)
- 6mm-300mm
- M1.4–M6 (0#–14#), 6mm–300mm
- Carbon steel and stainless steel A2, A4 and 410
- All eleven head types and seven drives on the standard matrix
Specification
- Item code
- BF-146
- Standard
- IFI,DIN,JIS,GB,Special Design
- Size Range
- M1.4-M6(0#-14#)
- Length Range
- 6mm-300mm
- Material
- Carbon steel and stainless steel A2 A4 and 410
- Product group
- Carbon Steel Machine Screws
Item code BF-146 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
Machine screw or self-tapping screw?
A machine screw needs a tapped hole or a nut. If there is no thread waiting for it, you want a self-tapping or self-drilling screw instead.
What is the smallest size you make?
M1.4 (0#) on the machine screw line. Across the whole catalogue diameters run from M0.8 to M42.
Also in Carbon Steel Machine Screws
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-146)
Send diameter, length, head, drive, material, finish and quantity. If the combination you need is not on the standard matrix, send a drawing instead.