Inch Size Pan Head Tantalum Screws

Inch size tantalum pan head refractory screws are produced for high temperature vacuum environments. The screw head is large in diameter and short in height, allowing for a low clearance. Please see the charts tab for the refractory properties and temperature conversion.

"Can't find the exact size or shape you need? Please fill out our Custom Size Quote Form or call us at (650) 851-1859. We welcome custom product and fabrication projects.

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

77038-1010

Ta/W Screw Pan Hd. 0-80 x 1/16" lg

0-80

1/16

0.060

0.104

0.116

0.031

0.039

Tantalum 97½% / Tungsten 2½%

77038-1020

Ta/W Screw Pan Hd. 0-80 x 1/8" lg

0-80

1/8

0.060

0.104

0.116

0.031

0.039

Tantalum 97½% / Tungsten 2½%

77038-1030

Ta/W Screw Pan Hd. 0-80 x 3/16" lg

0-80

3/16

0.060

0.104

0.116

0.031

0.039

Tantalum 97½% / Tungsten 2½%

77038-1040

Ta/W Screw Pan Hd. 0-80 x 1/4" lg

0-80

1/4

0.060

0.104

0.116

0.031

0.039

Tantalum 97½% / Tungsten 2½%

77038-1050

Ta/W Screw Pan Hd. 0-80 x 5/16" lg

0-80

5/16

0.060

0.104

0.116

0.031

0.039

Tantalum 97½% / Tungsten 2½%

77038-1060

Ta/W Screw Pan Hd. 0-80 x 3/8" lg

0-80

3/8

0.060

0.104

0.116

0.031

0.039

Tantalum 97½% / Tungsten 2½%

77038-1070

Ta/W Screw Pan Hd. 0-80 x 1/2" lg

0-80

1/2

3/8 inch of length is threaded

0.060

0.104

0.116

0.031

0.039

77038-1110

Ta/W Screw Pan Hd. 1-72 x 1/16" lg

1-72

1/16

0.073

0.130

0.142

0.038

0.040

Tantalum 97½% / Tungsten 2½%

77038-1120

Ta/W Screw Pan Hd. 1-72 x 1/8" lg

1-72

1/8

0.073

0.130

0.142

0.038

0.040

Tantalum 97½% / Tungsten 2½%

77038-1130

Ta/W Screw Pan Hd. 1-72 x 3/16" lg

1-72

3/16

0.073

0.130

0.142

0.038

0.040

Tantalum 97½% / Tungsten 2½%

77038-1140

Ta/W Screw Pan Hd. 1-72 x 1/4" lg

1-72

1/4

0.073

0.130

0.142

0.038

0.040

Tantalum 97½% / Tungsten 2½%

77038-1150

Ta/W Screw Pan Hd. 1-72 x 5/16" lg

1-72

5/16

0.073

0.130

0.142

0.038

0.040

Tantalum 97½% / Tungsten 2½%

77038-1160

Ta/W Screw Pan Hd. 1-72 x 3/8" lg

1-72

3/8

0.073

0.130

0.142

0.038

0.040

Tantalum 97½% / Tungsten 2½%

77038-1170

Ta/W Screw Pan Hd. 1-72 x 1/2" lg

1-72

1/2

3/8 inch of length is threaded

0.073

0.130

0.142

0.038

0.040

77038-1210

Ta/W Screw Pan Hd. 2-56 x 1/16" lg

2-56

1/16

0.086

0.155

0.167

0.045

0.053

Tantalum 97½% / Tungsten 2½%

77038-1220

Ta/W Screw Pan Hd. 2-56 x 1/8" lg

2-56

1/8

0.086

0.155

0.167

0.045

0.053

Tantalum 97½% / Tungsten 2½%

77038-1230

Ta/W Screw Pan Hd. 2-56 x 3/16" lg

2-56

3/16

0.086

0.155

0.167

0.045

0.053

Tantalum 97½% / Tungsten 2½%

77038-1240

Ta/W Screw Pan Hd. 2-56 x 1/4" lg

2-56

1/4

0.086

0.155

0.167

0.045

0.053

Tantalum 97½% / Tungsten 2½%

77038-1250

Ta/W Screw Pan Hd. 2-56 x 5/16" lg

2-56

5/16

0.086

0.155

0.167

0.045

0.053

Tantalum 97½% / Tungsten 2½%

77038-1260

Ta/W Screw Pan Hd. 2-56 x 3/8" lg

2-56

3/8

0.086

0.155

0.167

0.045

0.053

Tantalum 97½% / Tungsten 2½%

77038-1270

Ta/W Screw Pan Hd. 2-56 x 1/2" lg

2-56

1/2

3/8 inch of length is threaded

0.086

0.155

0.167

0.045

0.053

77038-1320

Ta/W Screw Pan Hd. 4-40 x 1/8" lg

4-40

1/8

0.112

0.205

0.219

0.058

0.068

Tantalum 97½% / Tungsten 2½%

77038-1330

Ta/W Screw Pan Hd. 4-40 x 3/16" lg

4-40

3/16

0.112

0.205

0.219

0.058

0.068

Tantalum 97½% / Tungsten 2½%

77038-1340

Ta/W Screw Pan Hd. 4-40 x 1/4" lg

4-40

1/4

0.112

0.205

0.219

0.058

0.068

Tantalum 97½% / Tungsten 2½%

77038-1350

Ta/W Screw Pan Hd. 4-40 x 5/16" lg

4-40

5/16

0.112

0.205

0.219

0.058

0.068

Tantalum 97½% / Tungsten 2½%