Metric Size Pan Head Molybdenum Screws

Metric size molybdenum 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

33039-4012

Moly. Screw Pan Hd. Metric M4.0 x 12mm lg

M4

12

4.0

7.90

8.10

2.35

2.45

Molybdenum 99.95% Pure

33039-4015

Moly. Screw Pan Hd. Metric M4.0 x 15mm lg

M4

15

4.0

7.90

8.10

2.35

2.45

Molybdenum 99.95% Pure

33039-4018

Moly. Screw Pan Hd. Metric M4.0 x 18mm lg

M4

18

4.0

7.90

8.10

2.35

2.45

Molybdenum 99.95% Pure

33039-4020

Moly. Screw Pan Hd. Metric M4.0 x 20mm lg

M4

20

4.0

7.90

8.10

2.35

2.45

Molybdenum 99.95% Pure

33039-4022

Moly. Screw Pan Hd. Metric M4.0 x 22mm lg

M4

22

4.0

7.90

8.10

2.35

2.45

Molybdenum 99.95% Pure

33039-4025

Moly. Screw Pan Hd. Metric M4.0 x 25mm lg

M4

25

4.0

7.90

8.10

2.35

2.45

Molybdenum 99.95% Pure

33039-4030

Moly. Screw Pan Hd. Metric M4.0 x 30mm lg

M4

30

4.0

7.90

8.10

2.35

2.45

Molybdenum 99.95% Pure

33039-4035

Moly. Screw Pan Hd. Metric M4.0 x 35mm lg

M4

35

4.0

7.90

8.10

2.35

2.45

Molybdenum 99.95% Pure

33039-4040

Moly. Screw Pan Hd. Metric M4.0 x 40mm lg

M4

40

4.0

7.90

8.10

2.35

2.45

Molybdenum 99.95% Pure

33039-5004

Moly. Screw Pan Hd. Metric M5.0 x 4mm lg

M5

4

5.0

9.80

10.20

2.95

3.05

Molybdenum 99.95% Pure

33039-5005

Moly. Screw Pan Hd. Metric M5.0 x 5mm lg

M5

5

5.0

9.80

10.20

2.95

3.05

Molybdenum 99.95% Pure

33039-5006

Moly. Screw Pan Hd. Metric M5.0 x 6mm lg

M5

6

5.0

9.80

10.20

2.95

3.05

Molybdenum 99.95% Pure

33039-5008

Moly. Screw Pan Hd. Metric M5.0 x 8mm lg

M5

8

5.0

9.80

10.20

2.95

3.05

Molybdenum 99.95% Pure

33039-5010

Moly. Screw Pan Hd. Metric M5.0 x 10mm lg

M5

10

5.0

9.80

10.20

2.95

3.05

Molybdenum 99.95% Pure

33039-5012

Moly. Screw Pan Hd. Metric M5.0 x 12mm lg

M5

12

5.0

9.80

10.20

2.95

3.05

Molybdenum 99.95% Pure

33039-5015

Moly. Screw Pan Hd. Metric M5.0 x 15mm lg

M5

15

5.0

9.80

10.20

2.95

3.05

Molybdenum 99.95% Pure

33039-5018

Moly. Screw Pan Hd. Metric M5.0 x 18mm lg

M5

18

5.0

9.80

10.20

2.95

3.05

Molybdenum 99.95% Pure

33039-5020

Moly. Screw Pan Hd. Metric M5.0 x 20mm lg

M5

20

5.0

9.80

10.20

2.95

3.05

Molybdenum 99.95% Pure

33039-5022

Moly. Screw Pan Hd. Metric M5.0 x 22mm lg

M5

22

5.0

9.80

10.20

2.95

3.05

Molybdenum 99.95% Pure

33039-5025

Moly. Screw Pan Hd. Metric M5.0 x 25mm lg

M5

25

5.0

9.80

10.20

2.95

3.05

Molybdenum 99.95% Pure

33039-5030

Moly. Screw Pan Hd. Metric M5.0 x 30mm lg

M5

30

5.0

9.80

10.20

2.95

3.05

Molybdenum 99.95% Pure

33039-5035

Moly. Screw Pan Hd. Metric M5.0 x 35mm lg

M5

35

5.0

9.80

10.20

2.95

3.05

Molybdenum 99.95% Pure

33039-5040

Moly. Screw Pan Hd. Metric M5.0 x 40mm lg

M5

40

5.0

9.80

10.20

2.95

3.05

Molybdenum 99.95% Pure

33039-5050

Moly. Screw Pan Hd. Metric M5.0 x 50mm lg

M5

50

5.0

9.80

10.20

2.95

3.05

Molybdenum 99.95% Pure

33039-6005

Moly. Screw Pan Hd. Metric M6.0 x 5mm lg

M6

5

6.0

11.8

12.20

3.55

3.65

Molybdenum 99.95% Pure