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Spacer & Standoff Manufacturing — CNC Swiss Lathe Turning

Cylindrical, stepped and hex spacer washers plus M/M, M/F, F/F standoffs. ⌀1–20 mm in steel, brass, stainless, aluminum; h8 tolerance.

Manufacturing Scope

Spacers and standoffs are precision turned parts that set a fixed axial distance between two surfaces, distribute bolt load and align stacked assemblies. They are widely used in PCB and electronic enclosure assembly, sensor and actuator groups, hydraulic-pneumatic blocks and general machine building. Our catalog covers 16 families and 173 variants: cylindrical and bored spacer washers, thin shims, wide-flange and stepped washers, threaded, hexagonal and knurled spacers; M/M (male-male), M/F (male-female) and F/F (female-female) hex standoffs, round threaded standoffs, PCB spacers, shouldered PCB standoffs, knurled insulation spacers and tapered-tip locating standoffs. We offer steel, stainless steel, brass and aluminum. Parts are machined on a Goodway SW-20 Swiss-type lathe across a ⌀1–20 mm diameter range, holding h8–h11 on outer diameters and 6H/6g on threads. Sizes outside the catalog are custom-produced, and we quote from a technical drawing or sample.

Length is what varies most here: from 1 mm up to 94 mm at ARAB-RTS-11, a span of 93 mm inside one category — and all of it inside the machine's 207 mm single-setup limit. Across 173 variants the work is 47× thread turning, 45× hex flat milling, 140× axial bore, 12× taper turning, 22× knurling.

Tolerances span 6 classes (6H, 6g, h10, h11, h8, h9) and 140 variants carry a DIN or ISO reference. The highest length-to-diameter ratio in the category belongs to ARAB-RTS-05 at L/D 8 — slender enough to need tailstock support on a conventional lathe.

Every part is CNC-turned to your drawing — series, small batches and custom turned parts. Send your drawing (PDF/DWG/STEP) for a quote.

Part Families

Cylindrical Spacer WasherPlain cylindrical spacer washer for axial distance setting.10 types⌀4–20 mmOpen the code & size table →Bored Spacer WasherCylindrical spacer washer with through-bore for bolt passage.11 types⌀6–20 mmOpen the code & size table →Thin Spacer Washer (Shim)Thin precision shim washer with bore for fine clearance adjustment.9 types⌀5–20 mmOpen the code & size table →Wide Flange Spacer WasherWide outer-diameter load-spreading spacer washer with small bore.9 types⌀10–20 mmOpen the code & size table →Stepped Spacer WasherTwo-step spacer washer with centering shoulder and locating bore.10 types⌀9–20 mmOpen the code & size table →Threaded Spacer WasherCylindrical spacer washer with internal thread for bolt-locked spacing.10 types⌀8–20 mmOpen the code & size table →Hexagonal Spacer WasherHex-body spacer washer with wrench flats and bore for gripped assembly.9 types⌀6.4–19.6 mmOpen the code & size table →Knurled Spacer WasherBored spacer washer with knurled grip surface for hand adjustment.10 types⌀8–20 mmOpen the code & size table →Hex Standoff M/M (Male-Male)Spacer bolt with male thread at both ends and a hex body in the middle.12 types⌀6.4–15 mmOpen the code & size table →Hex Standoff M/F (Male-Female)Hex spacer with a male thread on one end and an internal thread on the other.12 types⌀6.4–15 mmOpen the code & size table →Hex Standoff F/F (Female-Female)Hex-bodied female-female standoff with internal threads at both ends.12 types⌀6.4–15 mmOpen the code & size table →Round Threaded Standoff M/MRound spacer bolt with a cylindrical body and male thread at both ends.11 types⌀6–14 mmOpen the code & size table →PCB Spacer (Through-Hole Standoff)Plain cylindrical PCB spacer with a through-hole for the mounting screw.12 types⌀5–12 mmOpen the code & size table →Shouldered PCB Standoff (Stepped)Stepped PCB standoff with a threaded pin and a larger shouldered through-body.12 types⌀6–15 mmOpen the code & size table →Knurled Insulation Spacer (Female)Knurled cylindrical insulation spacer with an internal thread for easy hand grip.12 types⌀6–15 mmOpen the code & size table →Tapered-Tip Standoff (Locating)Stepped standoff with a locating cone tip on one end and an internal thread on the other.12 types⌀6–16 mmOpen the code & size table →

Parts are machined in a single setup on a Goodway SW-20 Swiss-type lathe. Sliding-headstock turning reduces deflection on slender bodies, so we hold h8–h11 on outer diameters, 6H/6g on threads and a low surface finish; bore, internal/external thread, shoulder and knurl are completed in one clamping.

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