Headless titanium stud bars — threaded on one or both ends, used with two hex nuts to clamp components symmetrically. DIN 975 / DIN 938 / DIN 939 commonly referenced.
DIN 975 / DIN 938 / DIN 939 commonly referenced — specify stud type.
DIN 975: fully threaded bar (entire length threaded). Most common.
DIN 938: double-ended stud (both ends threaded, middle smooth).
DIN 939: short-end stud (one end short thread for tapped hole, one end long thread for nut).
Metric coarse & fine pitch. Trapezoidal thread for linear motion applications on request.
Standard Range: M6–M60 (DIN 975). Lengths from 20 mm to 6 m (full bar cut).
Custom Supply: Non-standard diameters, end thread lengths, smooth shank lengths per drawing.
Stock Availability: M8–M30 DIN 975 bar stock in Gr2 & Gr5.
Regular: Grade 2 (CP Ti) & Grade 5 (Ti-6Al-4V alloy).
Coordinated: Grade 1, Grade 7, Grade 9, Grade 23 — subject to order quantity.
Note: Titanium stud bolt strength is defined by titanium grade, not steel property classes (8.8 / 10.9 / 12.9). ASTM A193 is a steel specification system — not equivalent. Confirm your load requirements.
DIN 975 (fully threaded bar), DIN 938 (double-ended), DIN 939 (short-end). ISO 898 series for steel — titanium properties reviewed per grade.
Non-standard end preparation (e.g. wrench flat milled on end), custom thread lengths, special thread pitches and trapezoidal thread coordinated per drawing.
Bundled straight in wooden crates, cut to length in box / bag. Export packaging supported.
Stud bolt + two hex nuts is the standard corrosion-resistant flange clamping arrangement.
Heavy-duty clamping where symmetric bolt access is required.
Corrosion-resistant stud bar supply in standard cut lengths or full 6 m bar.
Saltwater-resistant stud bolts for subsea and topside bolted connections.
DIN 975 fully threaded bar: the standard general-purpose choice — order by diameter and cut-to-length. Best when you have full access to both sides.
DIN 938 double-ended stud: threaded ends with smooth shank — used when an unthreaded shear section is needed or when the connection requires a specific smooth length.
DIN 939 short-end stud: one end screwed into a tapped hole, one end accepts a nut — used for blind assemblies where you cannot access the back side with a wrench.
Use hex bolts (DIN 933 / 931): when you can drive the bolt head from one side and the nut from the other — simpler, one fewer component.
Use stud bolts: when you cannot access both sides (short-end stud), when symmetric loading is required (both ends have the same nut area), when you need a smooth unthreaded section (double-ended), or when you are clamping through thick sections. Stud bolts are the standard choice for flange connections.
No. ASTM A193 is a steel specification system defining material property classes for alloy steel bolting — it has no direct titanium equivalent. DIN 975 / DIN 938 / DIN 939 define dimensions and thread patterns for stud bars of any material. For titanium, the material grade (Grade 2 vs Grade 5) defines properties, not steel property classes. Always specify titanium grade when inquiring.
Tell us diameter (e.g. M16), length, stud type (DIN 975 / 938 / 939), thread pitch, grade and quantity. For custom thread lengths or end preparation, share drawings after initial contact.
Helpful details: Diameter, Length, Stud Type, Thread Pitch, Grade, Quantity
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