CNC Lead Screw 8mm x 500mm 7-Start 14mm Lead Without Nut
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Prices updated: 14 Oct 2026
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About this product
An 8 mm diameter, 500 mm (50 cm) long lead screw with a stainless steel shaft, 7 starts, a 2 mm pitch and a 14 mm lead. It is used for linear motion in CNC and 3D printer builds. The title states that the screw is supplied without a nut, so a matching 8 mm nut with 2 mm pitch and 14 mm lead is required for travel.
Specifications
- Diameter
- 8 mm / 8 مم
- Length
- 500 mm / 500 مم
- Pitch
- 2 mm / 2 مم
- Lead
- 14 mm / 14 مم
- Number of starts
- 7
- Screw material
- Stainless steel / فولاذ مقاوم للصدأ
- Nut supplied
- No (per title) / لا (حسب العنوان)
Frequently asked questions
What is the difference between pitch and lead on this screw?
Pitch is the distance between thread crests, here 2 mm. Lead is the linear travel per full revolution, here 14 mm. Lead equals pitch multiplied by the number of starts, so 2 mm x 7 = 14 mm.
Do I need a separate nut?
Yes. The title says the screw is supplied without a nut. Use a matching nut with 8 mm diameter, 2 mm pitch and 14 mm lead, which matches the listing's nut specification.
