Steadbolt SteadboltIndustrial Fasteners · DIN / ISO / ANSI Standard
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Technical listing with size range, grade and surface treatment. Click a row for the full datasheet, or send an RFQ directly.

Hex Bolt DIN 933, Class 8.8/10.9

Hex Bolt DIN 933, Class 8.8/10.9

SB-B-DIN933-M12 · Best Seller
Standard hex head bolts to DIN 933 with full thread, in strength classes 8.8, 10.9 and A2/A4 stainless. Black oxide and hot-dip galvanized finishes for structural and machine applications.
Standard: DIN 933 / ISO 4017 Size: M6 – M24 × 20–300 mm Grade: 8.8 / 10.9 / A2-70 / A4-80 Finish: Black oxide, HDG, Zn plated Packing: Bulk carton / small box OEM
Datasheet RFQ
Hex Cap Screw ASME B18.2.1, SAE J429 Gr.5

Hex Cap Screw ASME B18.2.1, SAE J429 Gr.5

SB-B-ANSI-G5
American-standard hex cap screws to ASME B18.2.1 in medium-carbon steel, quenched and tempered to SAE J429 Grade 5. UNC coarse thread from 1/4-20 to 1-1/2-6, yellow zinc trivalent finish; UNF fine thread and hot-dip galvanized per ASTM A153 on request.
Standard: ASME B18.2.1 / SAE J429 Gr.5 Size: 1/4-20 – 1-1/2-6 UNC × 3/4″–10″ Thread: UNC (2A), UNF on request Finish: Yellow zinc, Zn clear, HDG A153 Packing: 25 lb carton / bulk box OEM
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Carriage Bolt DIN 603, HDG

Carriage Bolt DIN 603, HDG

SB-B-DIN603-M10
Round head square neck carriage bolts to DIN 603, hot-dip galvanized for outdoor timber construction, fencing and playground equipment. Sizes M6–M16 up to 200 mm long.
Standard: DIN 603 / ISO 8677 Size: M6 – M16 × 30–200 mm Grade: 4.8 / 8.8 Finish: HDG, Zn plated, black Packing: 25 kg carton / pallet
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Hex Flange Bolt DIN 6921, 10.9

Hex Flange Bolt DIN 6921, 10.9

SB-B-DIN6921-M10
Hex flange bolts to DIN 6921 with integrated washer face, class 10.9 black phosphate or 8.8 zinc plated. The built-in flange distributes clamp load without a separate washer.
Standard: DIN 6921 / ISO 4162 Size: M6 – M16 × 16–120 mm Grade: 8.8 / 10.9 Finish: Black phosphate, Zn-Ni Packing: Bulk carton, 500 pcs/box
Datasheet RFQ
Heavy Hex Structural Bolt ASTM A325 Type 1, HDG

Heavy Hex Structural Bolt ASTM A325 Type 1, HDG

SB-B-A325
Heavy hex structural bolts to ASTM A325 Type 1 (now F3125 Gr. A325) for high-strength structural steel connections. Hot-dip galvanized per ASTM F2329, supplied with A563 DH heavy hex nuts and F436 hardened washers as matched sets.
Standard: ASTM A325 Type 1 / F3125 Gr.A325 Size: 1/2-13 – 1-1/2-6 UNC Finish: HDG per ASTM F2329 / A153 Matched set: A563 DH nut + F436 washers Packing: Set-tagged boxes / bulk
Datasheet RFQ
Drywall Screw DIN 18182, Black Phosphate

Drywall Screw DIN 18182, Black Phosphate

SB-S-DIN18182 · Hot
Bugle head drywall screws to DIN 18182 in black phosphate, coarse and fine thread, #6 to #10. Case-hardened core with sharp point for fast driving into steel studs and wood framing.
Standard: DIN 18182 / ASTM C1002 Size: #6 × 25 mm – #10 × 100 mm Head: Bugle, PH2 (#6–#8) / PH3 (#10) Finish: Black phosphate, zinc Packing: 1,000 pcs box / 5 kg bulk
Datasheet RFQ
Self-Tapping Screw DIN 7981/7982, A2

Self-Tapping Screw DIN 7981/7982, A2

SB-S-DIN7981-A2
Self-tapping sheet metal screws in A2 stainless, pan head DIN 7981 and countersunk DIN 7982, thread form per ISO 1478. Tap their own thread in sheet steel, aluminum and plastics from 0.5 to 6 mm.
Standard: DIN 7981 / DIN 7982 Size: ST2.9 – ST6.3 × 6.5–70 mm Material: A2 / A4 stainless, C1022 hardened Finish: Plain, Zn plated, 304/316 Packing: Box / bulk carton
Datasheet RFQ
Socket Head Cap Screw ASME B18.3, Alloy Black

Socket Head Cap Screw ASME B18.3, Alloy Black

SB-S-ASME-B183
Socket head cap screws to ASME B18.3 in alloy steel, heat treated per ASTM A574 (core hardness Rockwell C 38–43, 12.9-class strength), black oxide finish. Hex socket drive for high-torque assembly in molds, machinery and fixtures; UNC/UNF inch series from #4-40 up to 1-1/2-6.
Standard: ASME B18.3 / ASTM A574 Size: #4-40 – 1-1/2-6, UNC/UNF Material: Alloy steel, core HRC 38–43 Finish: Black oxide, plain Packing: Box / bulk carton
Datasheet RFQ
Hex Nut DIN 934, A2/A4 & Cl.8

Hex Nut DIN 934, A2/A4 & Cl.8

SB-N-DIN934-M12 · Best Seller
Hex nuts to DIN 934 in A2/A4 stainless and class 8/10 carbon steel, M4–M30. Zinc plated, black and plain finishes; matched thread gauging with our DIN 933 bolt program.
Standard: DIN 934 / ISO 4032 Size: M4 – M30 Grade: Class 8 / 10, A2-70, A4-80 Finish: Zn plated, black, plain Packing: 25 kg carton / 900 kg pallet
Datasheet RFQ
Heavy Hex Nut ASTM A563 DH / Gr.2H

Heavy Hex Nut ASTM A563 DH / Gr.2H

SB-N-A563-2H
Heavy hex nuts to ASME B18.2.2 in ASTM A563 Grade DH carbon steel, with ASTM A194 2H available for high-temperature service. UNC threads 1/4-20 to 1-1/2-6; hot-dip galvanized nuts are re-tapped after galvanizing for clean bolt run-down.
Standard: ASME B18.2.2 / ASTM A563 DH Option: ASTM A194 2H heavy hex Size: 1/4-20 – 1-1/2-6 UNC Finish: Plain, HDG (re-tapped) Packing: 25 kg carton / bulk
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Serrated Flange Nut DIN 6923

Serrated Flange Nut DIN 6923

SB-N-DIN6923-M10
Serrated flange nuts to DIN 6923 in zinc-plated carbon steel and A2 stainless, M5–M16. The serrated bearing face bites into the mating surface and resists vibration loosening without a separate lock washer.
Standard: DIN 6923 Size: M5 – M16 Grade: Class 8 / 10, A2 Finish: Zn plated yellow/white Packing: Bulk carton / small box
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Flat Washer DIN 125A, A2 & Steel

Flat Washer DIN 125A, A2 & Steel

SB-W-DIN125-M10
Plain flat washers to DIN 125 Form A in A2 stainless and carbon steel, M3–M30. Stamped from q235/304 strip, deburred and sorted, supplying washer lines and fastener packers worldwide.
Standard: DIN 125 Form A / ISO 7089 Size: M3 – M30 Material: Q235, 304, 316 Finish: Plain, Zn plated, mechanical Zn Packing: 25 kg carton / bulk bag
Datasheet RFQ
Spring Lock Washer DIN 127B

Spring Lock Washer DIN 127B

SB-W-DIN127-M10
Helical spring lock washers to DIN 127 Form B in spring steel 65Mn, zinc plated and black. M3–M24. Hardened and tempered to keep spring force under bolt preload in rail and machinery joints.
Standard: DIN 127 Form B Size: M3 – M24 Material: Spring steel (FSt/C60), 65Mn Hardness: 430–530 HV (≈ HRC 42–50) Packing: Bulk carton / 5 kg box
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Wedge Anchor, Zinc & HDG

Wedge Anchor, Zinc & HDG

SB-A-WEDGE-M12 · Popular
Torque-controlled wedge anchors for cracked and uncracked concrete, M8–M20 in zinc plated and hot-dip galvanized steel, plus 304/316 stainless. Expansion clip is permanently attached — anchor cannot pre-assemble wrongly.
Type: Torque-controlled wedge expansion anchor Size: M8 – M20 × 75–300 mm Base: Concrete ≥ 20 MPa, cracked/uncracked Finish: Zn, HDG, 304/316 SS Packing: 50 pcs box / bulk carton
Datasheet RFQ
Anchor Rod ASTM F1554 Gr.55, Straight & L-Bend

Anchor Rod ASTM F1554 Gr.55, Straight & L-Bend

SB-A-F1554
Anchor rods to ASTM F1554 Grade 55 (weldable, S1 supplement standard for us) in straight, L-bend and J-bend styles for foundation and pole-line anchoring. Cut to length from 1/2″ to 2″ diameter, threaded UNC on one or both ends, shipped with A563 DH heavy nuts and F436 washers.
Standard: ASTM F1554 Gr.55 + S1 weldable Diameter: 1/2″ – 2″, cut to length Thread: UNC, one end / both ends Styles: Straight, L-bend, J-bend, plate Finish: HDG per A153, plain
Datasheet RFQ
Sleeve Anchor with Hex Nut

Sleeve Anchor with Hex Nut

SB-A-SLEEVE-M10
Sleeve anchors in zinc-plated carbon steel, M8–M16 with hex nut, AC and round-head versions. The full-length sleeve expands over a wide contact area, making it forgiving in brick, block and hollow-base materials.
Type: Sleeve anchor, hex nut / AC head Size: M8 – M16 × 60–160 mm Base: Concrete, brick, hollow block Finish: Zn plated, 304 SS option Packing: 50 pcs box / bulk
Datasheet RFQ
Threaded Rod DIN 975, B7 / A2-70

Threaded Rod DIN 975, B7 / A2-70

SB-T-DIN975-M16
Full-thread rods to DIN 975 in carbon steel class 4.8/8.8 (ASTM B7 option), A2-70 and A4-80 stainless, M6–M30 in 1 m and 3 m lengths. Blue/white zinc, plain and black finishes; cut-to-length service on request.
Standard: DIN 975 / ASTM A193 B7 Size: M6 – M30 × 1 m / 3 m Grade: 4.8 / 8.8 / B7 / A2-70 / A4-80 Finish: Zn plated, plain, black Packing: Bundled 10/25 pcs, container racks
Datasheet RFQ
Stud Bolt ASTM A193 B7 with A194 2H Nuts

Stud Bolt ASTM A193 B7 with A194 2H Nuts

SB-T-B7STUD · Popular
Stud bolts for ASME B16.5 piping flanges: ASTM A193 B7 alloy studs with ASTM A194 2H heavy hex nuts, cut to length and fully threaded UNC. Stocked plain and PTFE (Xylan) coated; nut ends color-coded on request for field identification.
Standard: ASTM A193 B7 + A194 2H Size: 1/4-20 – 2-1/2-8 UNC Length: Cut to length, fully threaded Finish: Plain, PTFE/Xylan, HDG Packing: Stud+nut matched sets, tagged
Datasheet RFQ
Open-End Blind Rivet DIN 7337

Open-End Blind Rivet DIN 7337

SB-R-DIN7337-48
Open-end dome-head blind rivets to DIN 7337, aluminum alloy body with carbon or stainless steel mandrel, diameters 3.2 / 4.0 / 4.8 mm and grips 6–25 mm. One-side access fastening for sheet metal, HVAC and appliances.
Standard: DIN 7337 / ISO 15977 Diameter: 3.2 / 4.0 / 4.8 mm Grip range: 6 – 25 mm Body: AlMg 2.5–5 / AlMg 3.5 + steel mandrel Packing: 1,000 pcs box / 10 kg carton
Datasheet RFQ
Non-Standard Custom Fasteners from Drawing

Non-Standard Custom Fasteners from Drawing

SB-X-CUSTOM-001 · New
Custom non-standard bolts, studs and specials produced from your drawing or counter-sampled part: cold forging for volumes, CNC machining for prototypes, plus thread rolling, turning, milling and surface treatment in-house. Typical lead time 25–35 days after drawing approval.
Process: Cold forging / CNC machining / turning Size: M4 – M42, length to 1 m Materials: 1018/1045, 42CrMo4, 304/316, brass Coating: Zn/Ni/Geomet, HDG, Dacromet Lead time: 25–35 days, sample 7–10 days
Datasheet RFQ