ISO 4026 Set Screw (Flat Point)
ISO 4026 Flat Point Set Screws
DIN Equivalent: DIN 913 | Hex Socket Headless Screws
ISO 4026 flat point set screws (grub screws) feature a flat tip that bears evenly against a mating surface. The flat point provides maximum contact area for holding power without marking or indenting the shaft, making them ideal for soft materials or when repositioning is required.
Quick Specifications
Key Features
Maximum Contact Area
Flat bearing surface distributes pressure evenly across the contact area. Best holding power per unit area among set screw points.
Non-Marring
Flat tip doesn't indent or mark the shaft surface. Ideal when components need repositioning or adjustment.
Soft Material Compatible
Works well against soft materials like aluminum, brass, and plastics without digging in or causing damage.
Flush Seating
Headless design sits completely below the surface. No protrusion above the hub or collar.
Dimension Chart
| Size | Pitch | Flat Dia. (df) | Hex Key Size |
|---|---|---|---|
| M3 | 0.5 mm | 2.0 mm | 1.5 mm |
| M4 | 0.7 mm | 2.5 mm | 2 mm |
| M5 | 0.8 mm | 3.5 mm | 2.5 mm |
| M6 | 1.0 mm | 4.0 mm | 3 mm |
| M8 | 1.25 mm | 5.5 mm | 4 mm |
| M10 | 1.5 mm | 7.0 mm | 5 mm |
| M12 | 1.75 mm | 8.5 mm | 6 mm |
Set Screw Point Comparison
| Point Style | Best For | Marks Shaft? |
|---|---|---|
| Flat Point (ISO 4026) | Soft materials, adjustable positions | Minimal |
| Cone Point (ISO 4027) | Permanent location, dimpled shafts | Yes |
| Dog Point (ISO 4028) | Positive location, keyways/slots | No |
| Cup Point (ISO 4029) | Maximum holding, vibration resistance | Yes |
Common Applications
Shop ISO 4026 Flat Point Set Screws
DIN 913 equivalent. Available in alloy steel and stainless.
Shop Set Screws