Spacers Technical Information by UNICORP

1- 800- 526-1389 Standoffs, Spacers, Captive, Swage, Male to Female Standoffs, Jack Screws, Male to Male Standoffs, Handles, Thumb Screws, Thumbscrews, Shoulder

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	Spacers Technical / Engineering Data
	Spacers Standard e-Catalog

Material / Shape Selection

MATERIALS

Choose & write down your
MATERIAL/ SHAPE code- Go to Next Step

SPECIFICATIONS

ROUND

SQUARE

HEX

Brass

M01

M02

M03

QQ-B- 626 Comp. 22,
1/2 Hard

Aluminum

M04

M05

M06

QQ-A- 225a, Comp. 2, T-3

Stainless Steel

M07

M08

M09

QQ-S- 763, Class 303, Cond. A (Non- Magnetic)

Carbon Steel

M10

M11

M12

QQ-S- 633, Class 2

Phenolic

M13

MIL- I- 24768 / 15

Teflon®

M14

MIL- P- 14078

Nylon

M17

M18

M19

MIL- P- 17091B,
Grade 101

Lexan®

M20

MIL- P- 81390

Delrin®

M23

M25

LP- 392 A

Ultem®

M26

GE 1000 Resins

RoHS Compliance Statement DFARS WEEE

Properties for Non- Metallic Materials

Properties

Linen Based
Phenolic

Teflon®

Nylon

10% Glass
Filled Lexan®

Delrin®

Ultem®

Flammability Rating

V-1

UL HB

UL 94V-2

V-O

UL94HB

V-O

Water Absorption
(%) 24 hrs.

0.6 - 0.7

.02

1.5

0.15

0.25

Dielectric Constant
(60 cycles)

5.2 - 5.3

2.1

2.9

3.7

3.15

Dielectric Strength
1/8 thickness (v/mil)

350

400

300- 400

380

500

N/A

Arc Resistance (sec)

100

200

140

129

120

Tensile Strength (psi)

6,500- 7,000

2,700- 3,100

11,200-16,500

9,000

10,400

16,500

Heat Resistance (continuous degrees F)

250-275

550

250

270

250

340

Compression Strength (psi)

201-235

700-1,200

4,000 - 11,000

12,500

18,000

22,000

Plating / Finish Selection

Finishes Available On These Materials:
Brass, Aluminum, Stainless Steel & Carbon Steel

STANDARD FINISHES

Choose & write down your PLATING / FINISH code- Go to Next Step

FINISH AVAILABLE ON THIS MATERIAL

APPLICABLE
SPECIFICATIONS

Anodize (Sulphuric) Dichromate
Seal, Yellow/ Green

F01

Aluminum

Mil-A- 8625C- Type-2

Anodize (Sulphuric) Hot Water Seal, Clear

F02

Aluminum

Mil-A- 8625C- Type-2,
Class-1

Anodize (Chromic) Hot Water Seal,
Dark Gray

F03

Aluminum

Mil-A- 8625-C- Type-1

Anodize- Black

F04

Aluminum

Mil-A- 8625C- Black,
Type-2, Class-2

Anodize- Black High Lustre

F04a

Aluminum

Mil-A- 8625C- Black-High Lustre, Type-2, Class 2

Cadmium Plate, Clear Chromate

F05

Brass
Carbon Steel

QQ-P- 416, Class 2,
Type 2

Cadmium Plate, Commercial

F05a

Brass
Carbon Steel

Cadmium Plate, Gold Chromate

F06

Brass
Carbon Steel

QQ-P- 416, Class 2,
Type 2

Nickel Plate

F07

Brass
Carbon Steel

QQ-N- 290A, Class 1, Grade F

Chromium Plate (Bright)

F08

Brass
Carbon Steel

QQ-C- 320B, Class 1, Type 1

Chromium Plate, Engineering

F08a

Brass
Carbon Steel

QQ-C- 320B, Class 1, Type 2

Chromium Plate Over Nickel Plate

F08c

Brass
Carbon Steel

Mil-QQ-C- 320,
Over - Mil-QQ-N-290

Passivate

F09

Stainless Steel

Mil-F- 14072E
(EL) E 300

Bright Dip

F11

Aluminum, Brass

Iridite, Clear

F12

Aluminum

Mil-C- 5541E
Mil-DTL- 5541F

Iridite, Gold #14

F13

Aluminum

Mil-C- 5541E
Mil-DTL- 5541F

Alodine 1200

F13a

Aluminum

Black Oxide, Brass

F14

Brass

Mil-F- 495C

Black Oxide, Stainless Steel

F15

Stainless Steel

Mil-C- 13924A, Class 3

No Finish

F16

Brass
Aluminum Stainless Steel
Carbon Steel All Plastics

Hot Tin Dip

F17a

Brass
Carbon Steel

Mil-T- 10727, Type 2

Silver Plate

F18

Brass
Carbon Steel

QQ-S-365-0.0002
- 0.0003

Electro Tin

F19

Brass
Carbon Steel

Mil-T- 10727, Type 1

Electro Tin 60/40 Solder

F19a

Brass
Carbon Steel

M222-Mil-F- 14072

Zinc Plate .0002 Thick, Clear Chromate

F21

Brass,
Carbon Steel

ASTM-B- 633, Type 1

Zinc Plate .0002 Thick,
Yellow /Green Chromate

F21a

Brass
Carbon Steel

ASTM-B- 633, Type 2,
(Color Chromate)

Zinc Plate .0002 Thick,
Black Chromate

F21b

Brass
Carbon Steel

ASTM-B- 633, Type 2,
(Color Chromate)

Alkali Caustic Etch

F26

Aluminum

Thread / Inside Hole Diameter

Choose & write down your THREAD / INSIDE HOLE
code Go Back to

INSIDE HOLE
DIAMETER (Spacers)

DRILL SIZE
(I.D.)

THREAD

MAJOR THREAD
DIAMETER

.063

1/16

0- 80

.060

.076

1- 64

.073

.076

1- 72

.073

.089

2- 56

.086

.089

2- 64

.086

.104

3- 48

.099

.104

3- 56

.099

.116

4- 40

.112

.116

4- 48

.112

.129

5- 40

.125

.129

5- 44

.125

.141

9/64

6- 32

.138

.141

9/64

6- 40

.138

.171

11/64

8- 32

.164

.171

11/64

8- 36

.164

.194

10- 24

.190

.194

10- 32

.190

.219

7/32

12 - 24

.216

.257

1/4- 20

.250

.257

1/4- 28

.250

.323

5/16- 18

.3125

.323

5/16- 24

.3125

.386

3/8- 16

.375

.386

3/8- 24

.375

.386

3/8- 32

.375

.453

29/64

7/16- 14

.4375

.453

29/64

7/16- 20

.4375

.515

33/64

1/2- 13

.500

.515

33/64

1/2- 20

.500

For Modified Parts or Engineering Assistance :
Unicorp offers your firm engineering and design services for customized or
modified parts at no additional charge. Please call our Engineering Department.
UNICORP, MFR. IDENT. Code No. 04729

Toll Free: 1- 800- 526- 1389 Phone: 973- 674-1700 Fax: 973- 674- 3803

UNICORP is a worldwide leader in manufacturing stock and custom electronic hardware,
handles and precision fasteners used by leading companies in nearly every industry since 1971.

Unicorp, 291 Cleveland St., Orange, New Jersey 07050 USA
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