Matdan Fasteners - MC Series

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Captive Fasteners - MC Series - Installation Information

1. Prepare installation hole for correct thread size. Leave the hole edges sharp - DO NOT CHAMFER.

2. Install captive screw as shown. Press force depends on material hardness-3000 lb. maximum.

Thread Size

Installation Hole
"D" Ø

Back-up Tool
Hole "C" Ø

Metric

Unified

Metric

Unified

Metric
+ .02
- .1

Inch
+ .008
- .004

Press-In

PC Board

Press-In

PC Board

4-40

5.6

± .04

5.6	+ .1 - .05

.219	+.003 -.000

.219	+ .004 - .002

3.2

.125

6-32

6.4	+ .03 - .05

6.4

± .1

.250	+ .003 - .000

.252

±.004

3.7

.146

8-32

8	+ 0.0 - .08

8	+ 0.0 - .08

.315	+ .000 - .003

.315	+ .000 - .003

4.4

.173

10-32

8	+ 0.0 - .08

8	+ 0.0 - .08

.315	+ .000 - .003

.315	+ .000 - .003

5.2

.205

¼-20

9.5	+ .1 - 0.0

9.5	+ .1 - 0.0

.375	+ .003 - .000

.375	+ .003 - .000

6.2

.260

1. Prepare installation hole for correct thread size. Leave the hole edges sharp - DO NOT CHAMFER.

2. Flaring tool is required for proper installation.

3. Support top of screw and install captive screw as shown. Installation force 300lb. - 600lb.

Thread Size

Installation Hole
"D" Ø

Tool Part #

Metric

Unified

Metric

Inch
-.005
.000

4-40

4.8

+.08
-.05

.187

MCF440

M3.5

6-32

5.4

+ .1
-0.0

.213

MCF632

8-32

6.8

+.08
-.04

.266

MCF832

10-32

6.8

+.08
-.04

.266

MCF1032

¼-20

8.2

+ .1
-0.0

.323

MCF1420

1. Prepare installation hole for correct thread size.

2. Install captive screw as shown. Press force depends on material hardness-3000lb. maximum.

Thread Size		Installation Hole "D" Ø		Tool Part #
Metric	Unified	Metric +.08 -.03	Inch -.005 .000	Tool Part #
M3	4-40	6.4	.250	MCL440
M3.5	6-32	7.2	.283	MCL632
M4	8-32	8.8	.346	MCL832
M5	10-32	8.8	.346	MCL1032
M6	¼-20	10.5	.413	MCL1420