1/4" Hex Spacer

A Hexagonal Spacer is a fastener that is used to create space between two objects, often to properly position them. In the world of electronic components and electronic hardware, spacers are typically used to space circuit boards, panels, doors or gears. Spacers can be round or hexagonal in shape and can have swage characteristics. Spacers have no interior threading and come in a variety of materials including aluminum, brass, plastic, steel and stainless steel. Take a look at our Standoffs for threaded spacing fasteners.



Basic Part Number Clearance Hole Length

(+0.010/-0.000)
EH6351-04-0.125 0.114"-0.124" 1/8"
EH6351-04-0.187 0.114"-0.124" 3/16"
EH6351-04-0.250 0.114"-0.124" 1/4"
EH6351-04-0.312 0.114"-0.124" 5/16"
EH6351-04-0.375 0.114"-0.124" 3/8"
EH6351-04-0.437 0.114"-0.124" 7/16"
EH6351-04-0.500 0.114"-0.124" 1/2"
EH6351-04-0.562 0.114"-0.124" 9/16"
EH6351-04-0.625 0.114"-0.124" 5/8"
EH6351-04-0.687 0.114"-0.124" 11/16"
EH6351-04-0.750 0.114"-0.124" 3/4"
EH6351-04-0.812 0.114"-0.124" 13/16"
EH6351-04-0.875 0.114"-0.124" 7/8"
EH6351-04-0.937 0.114"-0.124" 15/16"
EH6351-04-1.000 0.114"-0.124" 1"
EH6351-04-1.062 0.114"-0.124" 1 1/16"
EH6351-04-1.125 0.114"-0.124" 1 1/8"
EH6351-04-1.187 0.114"-0.124" 1 3/16"
EH6351-04-1.250 0.114"-0.124" 1 1/4"
EH6351-04-1.312 0.114"-0.124" 1 5/16"
EH6351-04-1.375 0.114"-0.124" 1 3/8"
EH6351-04-1.437 0.114"-0.124" 1 7/16"
EH6351-04-1.500 0.114"-0.124" 1 1/2"
EH6351-04-1.562 0.114"-0.124" 1 9/16"
EH6351-04-1.625 0.114"-0.124" 1 5/8"
EH6351-04-1.687 0.114"-0.124" 1 11/16"
EH6351-04-1.750 0.114"-0.124" 1 3/4"
EH6351-04-1.812 0.114"-0.124" 1 13/16"
EH6351-04-1.875 0.114"-0.124" 1 7/8"
EH6351-04-1.937 0.114"-0.124" 1 15/16"
EH6351-04-2.000 0.114"-0.124" 2"

Basic Part Number Clearance Hole Length

(+0.010/-0.000)
EH6351-06-0.125 0.140"-0.150" 1/8"
EH6351-06-0.187 0.140"-0.150" 3/16"
EH6351-06-0.250 0.140"-0.150" 1/4"
EH6351-06-0.312 0.140"-0.150" 5/16"
EH6351-06-0.375 0.140"-0.150" 3/8"
EH6351-06-0.437 0.140"-0.150" 7/16"
EH6351-06-0.500 0.140"-0.150" 1/2"
EH6351-06-0.562 0.140"-0.150" 9/16"
EH6351-06-0.625 0.140"-0.150" 5/8"
EH6351-06-0.687 0.140"-0.150" 11/16"
EH6351-06-0.750 0.140"-0.150" 3/4"
EH6351-06-0.812 0.140"-0.150" 13/16"
EH6351-06-0.875 0.140"-0.150" 7/8"
EH6351-06-0.937 0.140"-0.150" 15/16"
EH6351-06-1.000 0.140"-0.150" 1"
EH6351-06-1.062 0.140"-0.150" 1 1/16"
EH6351-06-1.125 0.140"-0.150" 1 1/8"
EH6351-06-1.187 0.140"-0.150" 1 3/16"
EH6351-06-1.250 0.140"-0.150" 1 1/4"
EH6351-06-1.312 0.140"-0.150" 1 5/16"
EH6351-06-1.375 0.140"-0.150" 1 3/8"
EH6351-06-1.437 0.140"-0.150" 1 7/16"
EH6351-06-1.500 0.140"-0.150" 1 1/2"
EH6351-06-1.562 0.140"-0.150" 1 9/16"
EH6351-06-1.625 0.140"-0.150" 1 5/8"
EH6351-06-1.687 0.140"-0.150" 1 11/16"
EH6351-06-1.750 0.140"-0.150" 1 3/4"
EH6351-06-1.812 0.140"-0.150" 1 13/16"
EH6351-06-1.875 0.140"-0.150" 1 7/8"
EH6351-06-1.937 0.140"-0.150" 1 15/16"
EH6351-06-2.000 0.140"-0.150" 2"

Basic Part Number Clearance Hole Length

(+0.010/-0.000)
EH6351-08-0.125 0.166"-0.176" 1/8"
EH6351-08-0.187 0.166"-0.176" 3/16"
EH6351-08-0.250 0.166"-0.176" 1/4"
EH6351-08-0.312 0.166"-0.176" 5/16"
EH6351-08-0.375 0.166"-0.176" 3/8"
EH6351-08-0.437 0.166"-0.176" 7/16"
EH6351-08-0.500 0.166"-0.176" 1/2"
EH6351-08-0.562 0.166"-0.176" 9/16"
EH6351-08-0.625 0.166"-0.176" 5/8"
EH6351-08-0.687 0.166"-0.176" 11/16"
EH6351-08-0.750 0.166"-0.176" 3/4"
EH6351-08-0.812 0.166"-0.176" 13/16"
EH6351-08-0.875 0.166"-0.176" 7/8"
EH6351-08-0.937 0.166"-0.176" 15/16"
EH6351-08-1.000 0.166"-0.176" 1"
EH6351-08-1.062 0.166"-0.176" 1 1/16"
EH6351-08-1.125 0.166"-0.176" 1 1/8"
EH6351-08-1.187 0.166"-0.176" 1 3/16"
EH6351-08-1.250 0.166"-0.176" 1 1/4"
EH6351-08-1.312 0.166"-0.176" 1 5/16"
EH6351-08-1.375 0.166"-0.176" 1 3/8"
EH6351-08-1.437 0.166"-0.176" 1 7/16"
EH6351-08-1.500 0.166"-0.176" 1 1/2"
EH6351-08-1.562 0.166"-0.176" 1 9/16"
EH6351-08-1.625 0.166"-0.176" 1 5/8"
EH6351-08-1.687 0.166"-0.176" 1 11/16"
EH6351-08-1.750 0.166"-0.176" 1 3/4"
EH6351-08-1.812 0.166"-0.176" 1 13/16"
EH6351-08-1.875 0.166"-0.176" 1 7/8"
EH6351-08-1.937 0.166"-0.176" 1 15/16"
EH6351-08-2.000 0.166"-0.176" 2"

Hex Spacers
Part Number Example:
(Basic Part Number-Material Code-Finish Code)
EH6351-06-1.187-ST-38
1/4" Hex Spacer, 0.140-0.150 Clearance, 1 3/16" Length, Steel, Zinc Black Trivalent

Material
Code Description
AA
Aluminum (RoHS)
BR Brass (RoHS)
NY
Nylon (RoHS)
SS Stainless Steel (RoHS)
ST
Steel (RoHS)

Finish
Code Description
00 Plain - No Finish
01 Passivate MIL-F-14072-E300
02
Caustic Etch
03 Brass, Bright Dip
12
Anodize, Clear - Type II Sulphuric Hot Water Seal - MIL-A-8625C
14
Anodize, Black - MIL-A-8625C
21
Iridite, Clear -MIL-C-5541
22
Iridite, Gold #14 - MIL-C-5541
25
Chem Film, Clear (In lieu of Iridite Clear)
31 Cadmium, Clear Chromate - QQ-P-416, CL 2
32 Cadmium, Color Chromate - QQ-P-416, CL 2
33 Zinc, Black
34 Zinc, Clear Chromate - QQ-Z-325, Type II, CL 3
35 Zinc QQ-Z-325, Type I, CL 3
36 Zinc, Yellow Chromate - QQ-Z-325, Type II, CL 3
37 Zinc,Yellow Trivalent
38 Zinc, Black Trivalent
42 Electro Tin MIL-T-10727, Type I (Dull)
43 Electro Tin MIL-T-10727 C, Type I (Bright)
44 Electro Tin (Solder) MIL-F-14072 M230/M222
48 Copper / Nickel / Bright Tin
50 Black Oxide MIL-C-13924 Steel
51 Black Oxide MIL-F-495 Brass
52 Black Oxide MIL-C-13924 Stainless Steel
61 Nickel QQ-N-290 CL 1, Type VI KC
63 Nickel, Ductile
66 Nickle, Electroless
91 Silver QQ-S-365
111
Anodize, Dark Grey - Type 2




APEX FASTENERS, Inc 162 W. Pomona Avenue Monrovia, CA 91016 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.
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