PRODUCTS
SCREWS
NITRIDED SCREWS

For all our screw 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
1.4122
-----
950-1100 HV1
0,15 - 0,20 mm
34CrNlAi7
31CrMoV9
42CrMo4
x39CrMo17-1
THROUGH HARDENED SCREWS
1.2379
D2
55-60 HRC
X153CrVMO12
1.2344
H13
50-55 HRC
1.2343
H11
50-55 HRC
1.4122
-----
45-47 HRC
X40CrMoV5-1
X37CrMov5-1
X39CrMo17-1
CPM 9V
-----
50-55 HRC
CPM S90V (420v)
-----
55-58 HRC
M390
-----
55-60 HRC
-----
-----
-----
Material No
AISI
DIN
Hardness
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
HARD CHROMIUM PVD (TiN, CrN) PLATING
Plating
Plating Tickness
Hardness
Abrassion Resistance
Corrosion Resistance
Hard Chromium
0,020-0,035
+
+++
800-1100 HV 0,1
PVD, TiN
0,004
+++
++
2500 HV 0,1
PVD, CrN
0,004
+++
+++
2100 HV 0,1
NOZZLES SETS
