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TECH DATA

DRYWALL SCREWS SHEET METAL

DRYWALL SCREWS TWINFAST THREAD

SIZE DIAMETTER

SCREW DIAMETER

THREADS PER INCH

STEEL GAUGE

THNSION PULLOUT (lbs.)

TENSION PULLOUT (lbs.)

average torsional strength (lbs.)

25 0.019"

165

N / A

0.138

6-20

20 0.033"

358

N / A

25 0.019"

160

N / A

0.151

7-19

20 0.033"

372

N / A

25 0.019"

184

N / A

0.164

8-18

20 0.033"

402

N / A

#10

10-16

25 0.019"

194

N / A

0.19

10-24

20 0.033"

413

N / A

SHEET METAL SCREWS TWINFAST, TYPE A & AB

SIZE DIAMETTER

SCREW DIAMETER

THREADS PER INCH

STEEL GAUGE

THNSION PULLOUT (lbs.)

TENSION PULLOUT (lbs.)

average torsional strength (lbs.)

6-18

0.138

6-20

20 0.033"

404

562

8-15

0.164

8-18

20 0.033"

437

821

#10

10-12

0.19

10-16

20 0.033"

460

878

#12

12-11

0.216

12-14

20 0.033"

549

1166

108

#14

14-10

0.25

14-14

20 0.033"

644

1038

161

Known as a multipurpose
screw used in a variety of
applications.

Coarse Thead, for drywall
to wood stud and attaching
fixture to either material.

Fire Thead, for drywall to
20-25 gauge metal stud.

Yellow zinc plating used for
aesthetics and in low corro-
sion resistant applications-
salt spray rating is 90 hours.

Recommand drive speed
of 2,500 rpm

SELF DRILLING

SELF DRILLING SCREWS

SIZE DIAMETTER

SCREW DIAMETER

THREADS PER INCH

STEEL GAUGE

THNSION PULLOUT (lbs.)

SHEAR (lbs.)

AVERAGE TORSIONAL STRENGTH (LBS)

20 0.033"

299

480

18 0.044"

377

789

0.138

6-26

16 0.005"

629

877

14 0.069"

655

885

12 0.099"

724

7-19

20 0.033"

269

544

0.151

18 0.044"

307

825

0.055"

598

987

20 0.033"

304

513

18 0.044"

414

846

0.164

8-18

16 0.005"

172

1108

14 0.069"

744

1131

12 0.099"

872

#10

10-16

20 0.033"

324

580

18 0.044"

397

865

0.19

10-24

16 0.005"

671

291

14 0.069"

753

1576

12 0.099"

1142

1567

#12

20 0.033"

300

578

18 0.044"

342

914

0.216

12-20

16 0.005"

637

1308

108

14 0.069"

760

1836

12 0.099"

1212

2267

#14

14-14

20 0.033"

325

609

18 0.044"

354

965

0.25

14-20

16 0.005"

593

1372

161

14 0.069"

772

1941

12 0.099"

1175

2468

Known as a multipurpose
screw used in a variety of
applications.

Coarse Thead, for drywall
to wood stud and attaching
fixture to either material.

Fire Thead, for drywall to
20-25 gauge metal stud.

Yellow zinc plating used for
aesthetics and in low corro-
sion resistant applications-
salt spray rating is 90 hours.

Recommand drive speed
of 2,500 rpm

Welcome to Interfast Group!