SCREWS

NITRIDED SCREWS

For all our screw types we are able to apply both gas and Ion Nitration.

THROUGH HARDENED SCREWS

HIGH CORROSION RESISTANT SCREWS

2.4856

Inconel 625

80-93 (150-200 HV)

NiCr22Mo9Nb

2.4819

Hastelloy C-276

85-88 (160-180 HV)

NiMo16Cr15W

Material No

Trade Name

DIN

Hardness

 BIMETALLIC SCREWS (PTA WELDED)

Our R&D department improved  ŞENMAK-N, ŞENMAK-N+, ŞENMAK-K,

ŞENMAK-K+ and ŞENMAK-F PTA welding powders.

ŞENMAK-N

Nickel Based

48-52 HRC

ŞENMAK-N+

Nickel Based with Wolfram Carbide(WC)

52-56 HRC

ŞENMAK Code

Alloy

Hardness

ŞENMAK-K

Cobalt Based

45-47 HRC

ŞENMAK-K+

High Alloyed Cobalt Base

48-52 HRC

ŞENMAK-F

Iron Based

58-62 HRC

Click the button above for the ŞENMAK PTA Welding Process.

PLATED SCREWS

Hard Chromium

0,020 - 0,035

800-1100 HV 0,1

PVD, TiN

0,004

2500 HV 0,5

Plating Type

Plating Thickness

Hardness

PVD, CrN

0,004

2100 HV 0,5

BARRELS

NITRIDED BARRELS

For all our Barrel types we are able to apply both gas and Ion Nitration.

Material No

AISI

DIN

Surface Hardness

Nitrided Layer Depth

1.8550

-----

950-1100 HV1

0,6 - 0,7 mm

1.8519

-----

850-950 HV1

0,6 - 0,7 mm

1.7225

4140

650-750 HV1

0,7 - 0,8 mm

34CrNlAi7

31CrMoV9

42CrMo4

BIMETALLIC BARRELS

ŞENMAK-A

Iron Based

62-69 HRC

ŞENMAK-A+

Nickel Based with Tungsten Carbide Additive

58-64 HRC

SENMAK Code

Alloy

Hardness

Click on the button above for the ŞENMAK Bimetallic Barrel.

COMPLEMENTARY PARTS

BUSHES

NITRIDED BUSHES

We are able to machine between 20mm to 160mm diameter range with axial or helical groove.

​

Our high precision bushings can be applied Nitration and through hardening.

​

We design Bushings according to customer requirements.

Material No

AISI

DIN

Surface Hardness

Nitrided Layer Depth

1.8550

-----

950-1100 HV1

0,6 - 0,7 mm

34CrNlAi7

THROUGH HARDENED BUSHINGS

Material No

AISI

DIN

Surface Hardness

Nitrided Layer Depth

1.2379

D2

55-60 HRC

0,7 - 0,8 mm

X153CrVMo12

SCREW TIP-SETS

All ŞENMAK Screw Tips  have PTA Welding supports for abrasion.

Material No

AISI

DIN

Heat Treatment

Hardness

1.8550

-----

Nitration

950-1100 HV1

34CrNlAi7

Abrassion Resistance

Corrosion Resistance

++

+

1.2379

D2

Through 
Hardened

55-60 HRC

X153CrVMo12

++++

++

EUTALLOY RW POWDER 12525 WELDING

Material No

Welded Layer Thickness

Hardness

Abrassion Resistance

Corrosion Resistance

1.2525

4-5 mm

++++

++++

63-65 HRC

NOZZLES SETS

Material No

AISI

DIN

Heat Treatment

Hardness

1.8550

-----

Nitration

950-1100 HV1

34CrNlAi7

Abrassion Resistance

Corrosion Resistance

++

+

1.2379

D2

Through Hardened

55-60 HRC

X153CrVMo12

++++

++