M8x1.25 Stainless Steel Metric Hex Head Cap Screws

M8 x 1.25 Stainless Metric Hex Cap Screws

M8 x 1.25 (M8x1.25) A2 stainless steel hex cap screws, made to DIN 933 (full thread), metric standard pitch. We stock 12mm, 16mm, 20mm, 25mm, 30mm, 35mm, 40mm, 45mm, 50mm, 55mm, 60mm, 65mm, 70mm, 80mm, 90mm, 100mm, 110mm, 120mm, 130mm, 140mm, 150mm lengths. They take a 13mm wrench.

Specifications

Size: M8 x 1.25 (standard pitch)
Lengths: 12mm, 16mm, 20mm, 25mm, 30mm, 35mm, 40mm, 45mm, 50mm, 55mm, 60mm, 65mm, 70mm, 80mm, 90mm, 100mm, 110mm, 120mm, 130mm, 140mm, 150mm
Standard: DIN 933 (full thread)
Wrench size: 13mm
Material: A2 stainless steel
Type 316 (A4) stainless available, please contact us

DIN 933 Full Thread
(DIN 931 Partial Thread available, please contact us)

Common Uses

Machinery and equipment
Marine and outdoor assemblies
Food and process equipment

FAQ

What nut fits an M8 x 1.25 cap screw?
An M8 x 1.25 A2 stainless hex nut (DIN 934), or a nylon insert lock nut (DIN 985) where vibration is a concern, with an M8 stainless flat washer.

Full thread or partial thread?
DIN 933 hex cap screws are threaded to the head. DIN 931 screws have a plain shank under the head. We stock DIN 933 full thread; DIN 931 partial thread is available, please contact us.

How do I stop stainless threads from galling?
Stainless threads can seize (gall) when tightened fast or dry. Use an anti-seize compound, tighten at a slower speed, and do not over tighten.

What tap drill and clearance hole for M8 x 1.25?
Tap drill: 6.8mm. Clearance hole: 9mm (normal fit).

Free shipping on orders over $100, and orders placed before noon EST ship the same day. Purchase orders are accepted from government agencies, schools, hospitals, municipalities and companies with established credit with The Nutty Company, Inc.