M4 x 40mm Metric Hex Socket Countersunk Head Screw Bolts Black 20PCS

Key Features

• Head Style Countersunk; Material 10.9 Alloy Steel; Package Content 20 x Countersunk Bolts
• Product Name Countersunk Bolt; Thread Size (d x L1) M4 x 37mm/0.16" x 1.5"(D*L); Weight 66g
• Drive Type Hex Socket; Main Color Black
• Thread Pitch 0.7mm; Total Length ( L ) 40mm/ 1.6"
• Head Size (D x t) 8 x 3mm/0.3" x 0.12"(D*T); Width Across Flat (S) 2.5mm/ 0.1"

Product Description

10.9 Alloy Steel Material, 0.7mm Thread Pitch, Hex Key Hex Socket Countersunk Flat Head Key Bolts Screws M4 x 40mm.Countersunk bolts is anti-corrosion,rustless,non-pollution and high-hardness. It is widely used in industrial.

Specifications