Contact Apex Fasteners

APEX offers full-service design, engineering and manufacturing to your specifications. Our custom fasteners have enjoyed great success supplying all types and sizes of businesses in most sectors of industry.
Contact Apex Fasteners with your hardware requirements

Authorized Distributor for:

Product 1/6

 Previous 
 Return to the Product List 
 Next 

Hex Drive - 4mm Shoulder Diameter

Tight Tolerance Low Profile Smooth Head Shoulder Screw Hex Drive
4mm Shoulder Diameter

The shallow head makes these screws the right size to hold components in tight spaces. Low Profile screws are 2/3 the head height of standard head height shoulder screws. Shoulder diameters are held to the same precise tolerance as other smooth head screws, at +0mm to -.025mm. Shoulder length tolerance is +.05mm to -0mm. All screws have a Class 6g thread fit.

Click here for 18-8 Stainless Steel
Click here for 316 Stainless Steel
 EHR401M4X4.jpg
EHR401M4X4

HexDriveLowProfileSmoothHeadShoulderScrewDiagram.png

18-8 Stainless Steel - 4mm Shoulder Diameter
Tight Tolerance Low Profile Smooth Head Shoulder Screw Hex Drive
Part Number
 Shoulder
Diam
3.97-4.00mm
 Shoulder
Length
 Shoulder
Length
Min. to Max.
 Head
Diam		 Head
Height		 Hex
Drive Size 		Thread
Size
 Thread
Length
EHR401M4X4 4.00mm 4.00mm
 4.00-4.05mm
 6.00mm 2.00mm 2.0mm M3 x 0.5 4mm
EHR401M4X5 4.00mm 5.00mm
 5.00-5.05mm
 6.00mm 2.00mm 2.0mm M3 x 0.5 4mm
EHR401M4X6 4.00mm 6.00mm
 6.00-6.05mm
 6.00mm 2.00mm 2.0mm M3 x 0.5 4mm
EHR401M4X8 4.00mm 8.00mm
 8.00-8.05mm
 6.00mm 2.00mm 2.0mm M3 x 0.5 4mm
EHR401M4X10 4.00mm 10.00mm
 10.00-10.05mm
 6.00mm 2.00mm 2.0mm M3 x 0.5 4mm
EHR401M4X12 4.00mm 12.00mm
 12.00-12.05mm
 6.00mm 2.00mm 2.0mm M3 x 0.5 4mm
EHR401M4X16 4.00mm 16.00mm
 16.00-16.05mm
 6.00mm 2.00mm 2.0mm M3 x 0.5 4mm
EHR401M4X20 4.00mm 20.00mm
 20.00-20.05mm
 6.00mm 2.00mm 2.0mm M3 x 0.5 4mm


316 Stainless Steel - 4mm Shoulder Diameter
Tight Tolerance Low Profile Smooth Head Shoulder Screw Hex Drive
Part Number
 Shoulder
Diam
3.97-4.00mm 		Shoulder
Length
 Shoulder
Length
Min. to Max.
 Head
Diam		 Head
Height		 Hex
Drive Size 		Thread
Size
 Thread
Length
EHR402M4X4 4.00mm 4.00mm
 4.00-4.05mm
 6.00mm 2.00mm 2.0mm M3 x 0.5 4mm
EHR402M4X5 4.00mm 5.00mm
 5.00-5.05mm
 6.00mm 2.00mm 2.0mm M3 x 0.5 4mm
EHR402M4X6 4.00mm 6.00mm
 6.00-6.05mm
 6.00mm 2.00mm 2.0mm M3 x 0.5 4mm
EHR402M4X8 4.00mm 8.00mm
 8.00-8.05mm
 6.00mm 2.00mm 2.0mm M3 x 0.5 4mm
EHR402M4X10 4.00mm 10.00mm
 10.00-10.05mm
 6.00mm 2.00mm 2.0mm M3 x 0.5 4mm
EHR402M4X12 4.00mm 12.00mm
 12.00-12.05mm
 6.00mm 2.00mm 2.0mm M3 x 0.5 4mm
EHR402M4X16 4.00mm 16.00mm
 16.00-16.05mm
 6.00mm 2.00mm 2.0mm M3 x 0.5 4mm
EHR402M4X20 4.00mm 20.00mm
 20.00-20.05mm
 6.00mm 2.00mm 2.0mm M3 x 0.5 4mm



Product 1/6

 Previous 
 Return to the Product List 
 Next 
APEX FASTENERS, Inc - 15858 Business Center Drive - Irwindale, CA 91706 USA
APEX Fasteners supplies standard and custom screws, nut retainers, shoulder screws, plastites and taptites, all types of rivets, spring steel fasteners and special stampings, sems screws in standard, fractional or metric to electronics, aviation and other OEM industries worldwide. ApexFasteners.com custom manufactures screw machine components for electronic enclosure hardware as well as cold forming and cold headed specials for assembly and production requirements.
Tel: (626) 962-2219 - info@apexfasteners.com
Copyright © 2025 Apex Fasteners. Designed by Pope Productions