measuring - Does the outer diameter of 4.78 indicate an M4 or an M5 bolt? - Home Improvement Stack Exchange
Round Head Pan Head Trox M4 M5 M6 Small Button Black Zinc Color Zinc Machine Screw - China Bolt Nut, Stainless Steel Nut | Made-in-China.com
M4, Machine Screws, Slotted, Pan Head, Brass, DIN 85. – Fixaball Ltd. Fixings and Fasteners UK
Counter Sunk CSK M4 (4mm) x 20mm Steel MS Phillips Plus Screw SKU-15199 | Ronical Technologies LLP - Wide range of embedded electronics industrial engineering products like device programmers and automation products
Sourcing Map Hex Socket Self Tapping Screws M4 X 30mm Carbon Steel Wood Screws 50pcs | Fruugo UK
Phillips Small Flat Head Screw (M4: D = 7, M5: D = 9)【1-2,500 Pieces Per Package】 from SUNCO | MISUMI
What is the difference between m4 metric oval head screw and UNC oval head screw?
25sets Acrylic Clear Transparent Plastic Nylon M3 M4 Diameter 3 4mm Round Pan Phillips Cross Head Screw Bolt With Hex Nut - Bolts - AliExpress
Cheese Head M4 (4mm) x 10mm Slotted Minus Steel MS Screws SKU-15206 | Ronical Technologies LLP - Wide range of embedded electronics industrial engineering products like device programmers and automation products
I am determined to 3D print a working and decent M4 screw, but it's very challenging. Please provide some insight and tips! (Details in comment) : r/3Dprinting