Inch Size Flat Head Tantalum Screws

Inch size tantalum flat head refractory screws are produced for high temperature vacuum environments. The screw head is tapered, allowing the top of the head to be flush with the surface. Please see the sketch provided for futher description and specs. Please see the charts tab for the refractory properties and temperature conversion.

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For full screw dimensions, please select an individual item."
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Item #

Item Name

Screw Size

Screw Length

(D) Basic Screw Diameter (Max)

(A) Head Diameter (Min)

(A) Head Diameter (Max)

(H) Total Head Height (Min)

(H) Total Head Height (Max)

Material Purity

77034-1680

Ta/W Screw Flat Hd. 8-32 x 5/8" lg

8-32

5/8

0.164

0.300

0.332

0.084

0.100

Tantalum 97½% / Tungsten 2½%

77034-1690

Ta/W Screw Flat Hd. 8-32 x 3/4" lg

8-32

3/4

0.164

0.300

0.332

0.084

0.100

Tantalum 97½% / Tungsten 2½%

77034-1700

Ta/W Screw Flat Hd. 8-32 x 1" lg

8-32

1

0.164

0.300

0.332

0.084

0.100

Tantalum 97½% / Tungsten 2½%

77034-1710

Ta/W Screw Flat Hd. 8-32 x 1-1/4" lg

8-32

1 1/4

0.164

0.300

0.332

0.084

0.100

Tantalum 97½% / Tungsten 2½%

77034-1720

Ta/W Screw Flat Hd. 8-32 x 1-1/2" lg

8-32

1 1/2

0.164

0.300

0.332

0.084

0.100

Tantalum 97½% / Tungsten 2½%

77034-1840

Ta/W Screw Flat Hd. 10-32 x 1/4" lg

10-32

1/4

0.190

0.348

0.385

0.098

0.116

Tantalum 97½% / Tungsten 2½%

77034-1850

Ta/W Screw Flat Hd. 10-32 x 5/16" lg

10-32

5/16

0.190

0.348

0.385

0.098

0.116

Tantalum 97½% / Tungsten 2½%

77034-1860

Ta/W Screw Flat Hd. 10-32 x 3/8" lg

10-32

3/8

0.190

0.348

0.385

0.098

0.116

Tantalum 97½% / Tungsten 2½%

77034-1870

Ta/W Screw Flat Hd. 10-32 x 1/2" lg

10-32

1/2

0.190

0.348

0.385

0.098

0.116

Tantalum 97½% / Tungsten 2½%

77034-1880

Ta/W Screw Flat Hd. 10-32 x 5/8" lg

10-32

5/8

0.190

0.348

0.385

0.098

0.116

Tantalum 97½% / Tungsten 2½%

77034-1890

Ta/W Screw Flat Hd. 10-32 x 3/4" lg

10-32

3/4

0.190

0.348

0.385

0.098

0.116

Tantalum 97½% / Tungsten 2½%

77034-1900

Ta/W Screw Flat Hd. 10-32 x 1" lg

10-32

1

0.190

0.348

0.385

0.098

0.116

Tantalum 97½% / Tungsten 2½%

77034-1910

Ta/W Screw Flat Hd. 10-32 x 1-1/4" lg

10-32

1 1/4

0.190

0.348

0.385

0.098

0.116

Tantalum 97½% / Tungsten 2½%

77034-1920

Ta/W Screw Flat Hd. 10-32 x 1-1/2" lg

10-32

1 1/2

0.190

0.348

0.385

0.098

0.116

Tantalum 97½% / Tungsten 2½%

77034-1930

Ta/W Screw Flat Hd. 10-32 x 1-3/4" lg

10-32

1 3/4

0.190

0.348

0.385

0.098

0.116

Tantalum 97½% / Tungsten 2½%

77034-1940

Ta/W Screw Flat Hd. 10-32 x 2" lg

10-32

2

0.190

0.348

0.385

0.098

0.116

Tantalum 97½% / Tungsten 2½%