Metric Size Pan Head Tantalum Screws

Metric 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

77039-2508

Ta/W Screw Pan Hd. Metric M2.5 x 8mm lg

M2.5

8

2.5

4.90

5.10

1.45

1.55

Tantalum 97½% / Tungsten 2½%

77039-2510

Ta/W Screw Pan Hd. Metric M2.5 x 10mm lg

M2.5

10

2.5

4.90

5.10

1.45

1.55

Tantalum 97½% / Tungsten 2½%

77039-2512

Ta/W Screw Pan Hd. Metric M2.5 x 12mm lg

M2.5

12

2.5

4.90

5.10

1.45

1.55

Tantalum 97½% / Tungsten 2½%

77039-2515

Ta/W Screw Pan Hd. Metric M2.5 x 15mm lg

M2.5

15

2.5

4.90

5.10

1.45

1.55

Tantalum 97½% / Tungsten 2½%

77039-2518

Ta/W Screw Pan Hd. Metric M2.5 x 18mm lg

M2.5

18

2.5

4.90

5.10

1.45

1.55

Tantalum 97½% / Tungsten 2½%

77039-2520

Ta/W Screw Pan Hd. Metric M2.5 x 20mm lg

M2.5

20

2.5

4.90

5.10

1.45

1.55

Tantalum 97½% / Tungsten 2½%

77039-3004

Ta/W Screw Pan Hd. Metric M3.0 x 4mm lg

M3

4

3.0

5.90

6.10

1.75

1.85

Tantalum 97½% / Tungsten 2½%

77039-3005

Ta/W Screw Pan Hd. Metric M3.0 x 5mm lg

M3

5

3.0

5.90

6.10

1.75

1.85

Tantalum 97½% / Tungsten 2½%

77039-3006

Ta/W Screw Pan Hd. Metric M3.0 x 6mm lg

M3

6

3.0

5.90

6.10

1.75

1.85

Tantalum 97½% / Tungsten 2½%

77039-3008

Ta/W Screw Pan Hd. Metric M3.0 x 8mm lg

M3

8

3.0

5.90

6.10

1.75

1.85

Tantalum 97½% / Tungsten 2½%

77039-3010

Ta/W Screw Pan Hd. Metric M3.0 x 10mm lg

M3

10

3.0

5.90

6.10

1.75

1.85

Tantalum 97½% / Tungsten 2½%

77039-3012

Ta/W Screw Pan Hd. Metric M3.0 x 12mm lg

M3

12

3.0

5.90

6.10

1.75

1.85

Tantalum 97½% / Tungsten 2½%

77039-3015

Ta/W Screw Pan Hd. Metric M3.0 x 15mm lg

M3

15

3.0

5.90

6.10

1.75

1.85

Tantalum 97½% / Tungsten 2½%

77039-3018

Ta/W Screw Pan Hd. Metric M3.0 x 18mm lg

M3

18

3.0

5.90

6.10

1.75

1.85

Tantalum 97½% / Tungsten 2½%

77039-3020

Ta/W Screw Pan Hd. Metric M3.0 x 20mm lg

M3

20

3.0

5.90

6.10

1.75

1.85

Tantalum 97½% / Tungsten 2½%

77039-3022

Ta/W Screw Pan Hd. Metric M3.0 x 22mm lg

M3

22

3.0

5.90

6.10

1.75

1.85

Tantalum 97½% / Tungsten 2½%

77039-3025

Ta/W Screw Pan Hd. Metric M3.0 x 25mm lg

M3

25

3.0

5.90

6.10

1.75

1.85

Tantalum 97½% / Tungsten 2½%

77039-3030

Ta/W Screw Pan Hd. Metric M3.0 x 30mm lg

M3

30

3.0

5.90

6.10

1.75

1.85

Tantalum 97½% / Tungsten 2½%

77039-3035

Ta/W Screw Pan Hd. Metric M3.0 x 35mm lg

M3

35

3.0

5.90

6.10

1.75

1.85

Tantalum 97½% / Tungsten 2½%

77039-3040

Ta/W Screw Pan Hd. Metric M3.0 x 40mm lg

M3

40

3.0

5.90

6.10

1.75

1.85

Tantalum 97½% / Tungsten 2½%

77039-4004

Ta/W Screw Pan Hd. Metric M4.0 x 4mm lg

M4

4

4.0

7.90

8.10

2.35

2.45

Tantalum 97½% / Tungsten 2½%

77039-4005

Ta/W Screw Pan Hd. Metric M4.0 x 5mm lg

M4

5

4.0

7.90

8.10

2.35

2.45

Tantalum 97½% / Tungsten 2½%

77039-4006

Ta/W Screw Pan Hd. Metric M4.0 x 6mm lg

M4

6

4.0

7.90

8.10

2.35

2.45

Tantalum 97½% / Tungsten 2½%

77039-4008

Ta/W Screw Pan Hd. Metric M4.0 x 8mm lg

M4

8

4.0

7.90

8.10

2.35

2.45

Tantalum 97½% / Tungsten 2½%

77039-4010

Ta/W Screw Pan Hd. Metric M4.0 x 10mm lg

M4

10

4.0

7.90

8.10

2.35

2.45

Tantalum 97½% / Tungsten 2½%