Stainless Extension-Spring Mounting Posts M3-M12 and MA26 Springs
$3.96 USD
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Stainless Extension-Spring Mounting Posts M3-M12 and MA26 Springs
Hoeveelheid
Extension-Spring Mounting Posts and Separate Extension Springs
Use a cross-drilled mounting post as an anchor for an extension-spring hook in a fixture or mechanism. The post screws into a mating threaded part, and the included nut helps set its position. The MA26 extension springs are separate selectable 10-piece packs. A post option does not include a spring, and a spring pack does not include mounting posts.
Three post styles
- MT514 straight-body posts use SUS303 stainless steel and a partially threaded shank. The end has the source screwdriver-slot geometry.
- MT516 two-flat-head posts use SUS304 stainless steel, with a flat-sided neck and a partly threaded shank.
- MT518 threaded-neck/two-flat posts use SUS304 stainless steel, with thread extending up to the neck transition shown on the source drawing.
- Each post includes one SUS304 nut, described as JIS type 1 in the source material table. Carbon-steel MT513/MT515/MT517 are shown in the supplier's general comparison sheet but are not offered by this collected option list.
Understanding the dimensions
Post model format is family = metric nominal thread diameter M x total post length L. D denotes the body diameter on the source drawing, d the cross-hole diameter, and the other letters follow the original drawing. MT514 l is threaded length; five explicitly listed short-size exceptions are used for the exact applicable options. MT516 includes the source unthreaded-transition dimension G. Original metric dimensions,90-degree details and surface callouts are retained. Inch conversions are approximate and do not convert the metric thread into an inch thread.
Individual product photographs are illustrative views. The ordered M and L and the selected drawing values define the configuration; do not measure the photograph or assume that the displayed nut position is fixed.
MA26 extension springs
MA26 options specify wire diameter d x outside diameter D x free length L. The supplied material is SWP-A carbon spring steel, and the hook orientation is 180 degrees. Packs contain 10 springs. The source provides no verified spring-rate, safe maximum extension or working-load values for these individual options, so select the actual force and travel for the mechanism rather than treating size as a load rating.
Choosing and installing an anchor
Check the mating thread, available engagement, cross-hole diameter and hook fit. Select straight, two-flat or threaded-neck geometry to suit access and mounting depth. Secure the post with its nut while keeping the spring hook aligned so that it does not bind against an edge. In a moving mechanism, assess full travel and prevent an overstretched spring or released hook from contacting people or adjacent parts.
Review the post and spring photographs and engineering drawings below to choose the mounting geometry, cross-hole fit and spring-hook arrangement for your fixture.
Original product views and size drawings
The model gallery contains every offered option's source photograph and dimension information. The representative drawings below cover all seven post diameters in all three post families and the three spring wire/diameter combinations.
Available configurations and prices
| Model / dimensions | Material | Package | USD |
|---|---|---|---|
| MT514 | M3 x L10 mm (0.394 in) | 1 post + nut | SUS303 | 1 post +1 nut | $3.96 |
| MT514 | M3 x L15 mm (0.591 in) | 1 post + nut | SUS303 | 1 post +1 nut | $3.96 |
| MT514 | M3 x L20 mm (0.787 in) | 1 post + nut | SUS303 | 1 post +1 nut | $4.18 |
| MT514 | M3 x L25 mm (0.984 in) | 1 post + nut | SUS303 | 1 post +1 nut | $4.18 |
| MT514 | M3 x L30 mm (1.181 in) | 1 post + nut | SUS303 | 1 post +1 nut | $4.29 |
| MT514 | M3 x L40 mm (1.575 in) | 1 post + nut | SUS303 | 1 post +1 nut | $4.29 |
| MT514 | M4 x L15 mm (0.591 in) | 1 post + nut | SUS303 | 1 post +1 nut | $3.63 |
| MT514 | M4 x L20 mm (0.787 in) | 1 post + nut | SUS303 | 1 post +1 nut | $3.96 |
| MT514 | M4 x L25 mm (0.984 in) | 1 post + nut | SUS303 | 1 post +1 nut | $3.96 |
| MT514 | M4 x L30 mm (1.181 in) | 1 post + nut | SUS303 | 1 post +1 nut | $4.18 |
| MT514 | M4 x L35 mm (1.378 in) | 1 post + nut | SUS303 | 1 post +1 nut | $4.29 |
| MT514 | M4 x L40 mm (1.575 in) | 1 post + nut | SUS303 | 1 post +1 nut | $4.29 |
| MT514 | M4 x L50 mm (1.969 in) | 1 post + nut | SUS303 | 1 post +1 nut | $4.62 |
| MT514 | M5 x L15 mm (0.591 in) | 1 post + nut | SUS303 | 1 post +1 nut | $4.18 |
| MT514 | M5 x L20 mm (0.787 in) | 1 post + nut | SUS303 | 1 post +1 nut | $4.29 |
| MT514 | M5 x L25 mm (0.984 in) | 1 post + nut | SUS303 | 1 post +1 nut | $4.62 |
| MT514 | M5 x L30 mm (1.181 in) | 1 post + nut | SUS303 | 1 post +1 nut | $4.73 |
| MT514 | M5 x L35 mm (1.378 in) | 1 post + nut | SUS303 | 1 post +1 nut | $5.06 |
| MT514 | M5 x L40 mm (1.575 in) | 1 post + nut | SUS303 | 1 post +1 nut | $5.06 |
| MT514 | M6 x L20 mm (0.787 in) | 1 post + nut | SUS303 | 1 post +1 nut | $4.29 |
| MT514 | M6 x L25 mm (0.984 in) | 1 post + nut | SUS303 | 1 post +1 nut | $4.62 |
| MT514 | M6 x L30 mm (1.181 in) | 1 post + nut | SUS303 | 1 post +1 nut | $4.73 |
| MT514 | M6 x L35 mm (1.378 in) | 1 post + nut | SUS303 | 1 post +1 nut | $5.06 |
| MT514 | M6 x L40 mm (1.575 in) | 1 post + nut | SUS303 | 1 post +1 nut | $5.06 |
| MT514 | M8 x L20 mm (0.787 in) | 1 post + nut | SUS303 | 1 post +1 nut | $5.72 |
| MT514 | M8 x L25 mm (0.984 in) | 1 post + nut | SUS303 | 1 post +1 nut | $5.72 |
| MT514 | M8 x L30 mm (1.181 in) | 1 post + nut | SUS303 | 1 post +1 nut | $5.72 |
| MT514 | M8 x L35 mm (1.378 in) | 1 post + nut | SUS303 | 1 post +1 nut | $5.72 |
| MT514 | M8 x L40 mm (1.575 in) | 1 post + nut | SUS303 | 1 post +1 nut | $5.72 |
| MT514 | M8 x L50 mm (1.969 in) | 1 post + nut | SUS303 | 1 post +1 nut | $5.72 |
| MT514 | M8 x L60 mm (2.362 in) | 1 post + nut | SUS303 | 1 post +1 nut | $5.72 |
| MT514 | M8 x L70 mm (2.756 in) | 1 post + nut | SUS303 | 1 post +1 nut | $6.49 |
| MT514 | M10 x L35 mm (1.378 in) | 1 post + nut | SUS303 | 1 post +1 nut | $6.49 |
| MT514 | M10 x L40 mm (1.575 in) | 1 post + nut | SUS303 | 1 post +1 nut | $6.49 |
| MT514 | M10 x L50 mm (1.969 in) | 1 post + nut | SUS303 | 1 post +1 nut | $6.49 |
| MT514 | M10 x L60 mm (2.362 in) | 1 post + nut | SUS303 | 1 post +1 nut | $6.49 |
| MT514 | M10 x L70 mm (2.756 in) | 1 post + nut | SUS303 | 1 post +1 nut | $6.49 |
| MT514 | M12 x L50 mm (1.969 in) | 1 post + nut | SUS303 | 1 post +1 nut | $7.92 |
| MT514 | M12 x L60 mm (2.362 in) | 1 post + nut | SUS303 | 1 post +1 nut | $7.92 |
| MT514 | M12 x L70 mm (2.756 in) | 1 post + nut | SUS303 | 1 post +1 nut | $7.92 |
| MT516 | M3 x L15 mm (0.591 in) | 1 post + nut | SUS304 | 1 post +1 nut | $4.18 |
| MT516 | M3 x L20 mm (0.787 in) | 1 post + nut | SUS304 | 1 post +1 nut | $4.29 |
| MT516 | M3 x L25 mm (0.984 in) | 1 post + nut | SUS304 | 1 post +1 nut | $4.29 |
| MT516 | M3 x L30 mm (1.181 in) | 1 post + nut | SUS304 | 1 post +1 nut | $4.29 |
| MT516 | M4 x L15 mm (0.591 in) | 1 post + nut | SUS304 | 1 post +1 nut | $4.18 |
| MT516 | M4 x L20 mm (0.787 in) | 1 post + nut | SUS304 | 1 post +1 nut | $4.18 |
| MT516 | M4 x L25 mm (0.984 in) | 1 post + nut | SUS304 | 1 post +1 nut | $4.29 |
| MT516 | M4 x L30 mm (1.181 in) | 1 post + nut | SUS304 | 1 post +1 nut | $4.29 |
| MT516 | M4 x L35 mm (1.378 in) | 1 post + nut | SUS304 | 1 post +1 nut | $4.29 |
| MT516 | M5 x L15 mm (0.591 in) | 1 post + nut | SUS304 | 1 post +1 nut | $4.29 |
| MT516 | M5 x L20 mm (0.787 in) | 1 post + nut | SUS304 | 1 post +1 nut | $4.29 |
| MT516 | M5 x L25 mm (0.984 in) | 1 post + nut | SUS304 | 1 post +1 nut | $4.62 |
| MT516 | M5 x L30 mm (1.181 in) | 1 post + nut | SUS304 | 1 post +1 nut | $4.62 |
| MT516 | M5 x L35 mm (1.378 in) | 1 post + nut | SUS304 | 1 post +1 nut | $4.73 |
| MT516 | M5 x L40 mm (1.575 in) | 1 post + nut | SUS304 | 1 post +1 nut | $5.06 |
| MT516 | M6 x L20 mm (0.787 in) | 1 post + nut | SUS304 | 1 post +1 nut | $4.29 |
| MT516 | M6 x L25 mm (0.984 in) | 1 post + nut | SUS304 | 1 post +1 nut | $4.62 |
| MT516 | M6 x L30 mm (1.181 in) | 1 post + nut | SUS304 | 1 post +1 nut | $4.62 |
| MT516 | M6 x L35 mm (1.378 in) | 1 post + nut | SUS304 | 1 post +1 nut | $4.73 |
| MT516 | M6 x L40 mm (1.575 in) | 1 post + nut | SUS304 | 1 post +1 nut | $5.06 |
| MT516 | M6 x L50 mm (1.969 in) | 1 post + nut | SUS304 | 1 post +1 nut | $5.72 |
| MT516 | M6 x L60 mm (2.362 in) | 1 post + nut | SUS304 | 1 post +1 nut | $6.82 |
| MT516 | M8 x L20 mm (0.787 in) | 1 post + nut | SUS304 | 1 post +1 nut | $5.06 |
| MT516 | M8 x L25 mm (0.984 in) | 1 post + nut | SUS304 | 1 post +1 nut | $5.28 |
| MT516 | M8 x L30 mm (1.181 in) | 1 post + nut | SUS304 | 1 post +1 nut | $5.28 |
| MT516 | M8 x L35 mm (1.378 in) | 1 post + nut | SUS304 | 1 post +1 nut | $5.39 |
| MT516 | M8 x L40 mm (1.575 in) | 1 post + nut | SUS304 | 1 post +1 nut | $5.61 |
| MT516 | M8 x L50 mm (1.969 in) | 1 post + nut | SUS304 | 1 post +1 nut | $6.38 |
| MT516 | M8 x L60 mm (2.362 in) | 1 post + nut | SUS304 | 1 post +1 nut | $6.38 |
| MT516 | M8 x L70 mm (2.756 in) | 1 post + nut | SUS304 | 1 post +1 nut | $6.38 |
| MT516 | M10 x L30 mm (1.181 in) | 1 post + nut | SUS304 | 1 post +1 nut | $6.38 |
| MT516 | M10 x L35 mm (1.378 in) | 1 post + nut | SUS304 | 1 post +1 nut | $6.38 |
| MT516 | M10 x L40 mm (1.575 in) | 1 post + nut | SUS304 | 1 post +1 nut | $6.38 |
| MT516 | M10 x L50 mm (1.969 in) | 1 post + nut | SUS304 | 1 post +1 nut | $6.38 |
| MT516 | M10 x L60 mm (2.362 in) | 1 post + nut | SUS304 | 1 post +1 nut | $6.49 |
| MT516 | M10 x L70 mm (2.756 in) | 1 post + nut | SUS304 | 1 post +1 nut | $6.49 |
| MT516 | M12 x L35 mm (1.378 in) | 1 post + nut | SUS304 | 1 post +1 nut | $7.59 |
| MT516 | M12 x L40 mm (1.575 in) | 1 post + nut | SUS304 | 1 post +1 nut | $7.59 |
| MT516 | M12 x L50 mm (1.969 in) | 1 post + nut | SUS304 | 1 post +1 nut | $7.59 |
| MT516 | M12 x L70 mm (2.756 in) | 1 post + nut | SUS304 | 1 post +1 nut | $7.59 |
| MT518 | M3 x L10 mm (0.394 in) | 1 post + nut | SUS304 | 1 post +1 nut | $4.18 |
| MT518 | M3 x L15 mm (0.591 in) | 1 post + nut | SUS304 | 1 post +1 nut | $4.18 |
| MT518 | M3 x L20 mm (0.787 in) | 1 post + nut | SUS304 | 1 post +1 nut | $4.29 |
| MT518 | M3 x L25 mm (0.984 in) | 1 post + nut | SUS304 | 1 post +1 nut | $4.29 |
| MT518 | M4 x L10 mm (0.394 in) | 1 post + nut | SUS304 | 1 post +1 nut | $4.18 |
| MT518 | M4 x L15 mm (0.591 in) | 1 post + nut | SUS304 | 1 post +1 nut | $4.18 |
| MT518 | M4 x L20 mm (0.787 in) | 1 post + nut | SUS304 | 1 post +1 nut | $4.29 |
| MT518 | M4 x L25 mm (0.984 in) | 1 post + nut | SUS304 | 1 post +1 nut | $4.29 |
| MT518 | M4 x L30 mm (1.181 in) | 1 post + nut | SUS304 | 1 post +1 nut | $4.62 |
| MT518 | M5 x L10 mm (0.394 in) | 1 post + nut | SUS304 | 1 post +1 nut | $4.29 |
| MT518 | M5 x L15 mm (0.591 in) | 1 post + nut | SUS304 | 1 post +1 nut | $4.62 |
| MT518 | M5 x L20 mm (0.787 in) | 1 post + nut | SUS304 | 1 post +1 nut | $4.62 |
| MT518 | M5 x L25 mm (0.984 in) | 1 post + nut | SUS304 | 1 post +1 nut | $4.62 |
| MT518 | M5 x L30 mm (1.181 in) | 1 post + nut | SUS304 | 1 post +1 nut | $4.95 |
| MT518 | M5 x L35 mm (1.378 in) | 1 post + nut | SUS304 | 1 post +1 nut | $5.06 |
| MT518 | M6 x L15 mm (0.591 in) | 1 post + nut | SUS304 | 1 post +1 nut | $5.06 |
| MT518 | M6 x L20 mm (0.787 in) | 1 post + nut | SUS304 | 1 post +1 nut | $5.06 |
| MT518 | M6 x L25 mm (0.984 in) | 1 post + nut | SUS304 | 1 post +1 nut | $5.61 |
| MT518 | M6 x L30 mm (1.181 in) | 1 post + nut | SUS304 | 1 post +1 nut | $5.83 |
| MT518 | M6 x L35 mm (1.378 in) | 1 post + nut | SUS304 | 1 post +1 nut | $6.16 |
| MT518 | M6 x L45 mm (1.772 in) | 1 post + nut | SUS304 | 1 post +1 nut | $6.16 |
| MT518 | M8 x L20 mm (0.787 in) | 1 post + nut | SUS304 | 1 post +1 nut | $6.16 |
| MT518 | M8 x L25 mm (0.984 in) | 1 post + nut | SUS304 | 1 post +1 nut | $6.38 |
| MT518 | M8 x L30 mm (1.181 in) | 1 post + nut | SUS304 | 1 post +1 nut | $6.49 |
| MT518 | M8 x L35 mm (1.378 in) | 1 post + nut | SUS304 | 1 post +1 nut | $6.93 |
| MT518 | M8 x L45 mm (1.772 in) | 1 post + nut | SUS304 | 1 post +1 nut | $6.93 |
| MT518 | M8 x L55 mm (2.165 in) | 1 post + nut | SUS304 | 1 post +1 nut | $7.15 |
| MT518 | M8 x L65 mm (2.559 in) | 1 post + nut | SUS304 | 1 post +1 nut | $7.26 |
| MT518 | M10 x L25 mm (0.984 in) | 1 post + nut | SUS304 | 1 post +1 nut | $6.82 |
| MT518 | M10 x L30 mm (1.181 in) | 1 post + nut | SUS304 | 1 post +1 nut | $7.15 |
| MT518 | M10 x L35 mm (1.378 in) | 1 post + nut | SUS304 | 1 post +1 nut | $7.26 |
| MT518 | M10 x L45 mm (1.772 in) | 1 post + nut | SUS304 | 1 post +1 nut | $7.48 |
| MT518 | M10 x L55 mm (2.165 in) | 1 post + nut | SUS304 | 1 post +1 nut | $7.48 |
| MT518 | M10 x L65 mm (2.559 in) | 1 post + nut | SUS304 | 1 post +1 nut | $7.48 |
| MT518 | M12 x L30 mm (1.181 in) | 1 post + nut | SUS304 | 1 post +1 nut | $9.35 |
| MT518 | M12 x L35 mm (1.378 in) | 1 post + nut | SUS304 | 1 post +1 nut | $9.35 |
| MT518 | M12 x L45 mm (1.772 in) | 1 post + nut | SUS304 | 1 post +1 nut | $9.35 |
| MT518 | M12 x L55 mm (2.165 in) | 1 post + nut | SUS304 | 1 post +1 nut | $9.35 |
| MT518 | M12 x L65 mm (2.559 in) | 1 post + nut | SUS304 | 1 post +1 nut | $9.35 |
| MA26 | Wire 0.5 x OD 4 x L15 mm | 10 pcs | SWP-A carbon spring steel | 10 springs | $18.70 |
| MA26 | Wire 0.5 x OD 4 x L20 mm | 10 pcs | SWP-A carbon spring steel | 10 springs | $18.70 |
| MA26 | Wire 0.5 x OD 4 x L30 mm | 10 pcs | SWP-A carbon spring steel | 10 springs | $22.00 |
| MA26 | Wire 0.5 x OD 4 x L35 mm | 10 pcs | SWP-A carbon spring steel | 10 springs | $22.00 |
| MA26 | Wire 0.5 x OD 4 x L40 mm | 10 pcs | SWP-A carbon spring steel | 10 springs | $22.00 |
| MA26 | Wire 0.5 x OD 4 x L50 mm | 10 pcs | SWP-A carbon spring steel | 10 springs | $24.20 |
| MA26 | Wire 0.5 x OD 4 x L60 mm | 10 pcs | SWP-A carbon spring steel | 10 springs | $44.00 |
| MA26 | Wire 0.5 x OD 4 x L70 mm | 10 pcs | SWP-A carbon spring steel | 10 springs | $41.80 |
| MA26 | Wire 0.5 x OD 5 x L15 mm | 10 pcs | SWP-A carbon spring steel | 10 springs | $13.20 |
| MA26 | Wire 0.5 x OD 5 x L20 mm | 10 pcs | SWP-A carbon spring steel | 10 springs | $18.70 |
| MA26 | Wire 0.5 x OD 5 x L25 mm | 10 pcs | SWP-A carbon spring steel | 10 springs | $22.00 |
| MA26 | Wire 0.5 x OD 5 x L30 mm | 10 pcs | SWP-A carbon spring steel | 10 springs | $22.00 |
| MA26 | Wire 0.5 x OD 5 x L35 mm | 10 pcs | SWP-A carbon spring steel | 10 springs | $22.00 |
| MA26 | Wire 0.5 x OD 5 x L40 mm | 10 pcs | SWP-A carbon spring steel | 10 springs | $22.00 |
| MA26 | Wire 0.5 x OD 5 x L50 mm | 10 pcs | SWP-A carbon spring steel | 10 springs | $24.20 |
| MA26 | Wire 0.5 x OD 5 x L60 mm | 10 pcs | SWP-A carbon spring steel | 10 springs | $44.00 |
| MA26 | Wire 0.5 x OD 5 x L70 mm | 10 pcs | SWP-A carbon spring steel | 10 springs | $44.00 |
| MA26 | Wire 0.6 x OD 6 x L20 mm | 10 pcs | SWP-A carbon spring steel | 10 springs | $18.70 |
| MA26 | Wire 0.6 x OD 6 x L25 mm | 10 pcs | SWP-A carbon spring steel | 10 springs | $22.00 |
| MA26 | Wire 0.6 x OD 6 x L30 mm | 10 pcs | SWP-A carbon spring steel | 10 springs | $22.00 |
| MA26 | Wire 0.6 x OD 6 x L35 mm | 10 pcs | SWP-A carbon spring steel | 10 springs | $22.00 |
| MA26 | Wire 0.6 x OD 6 x L40 mm | 10 pcs | SWP-A carbon spring steel | 10 springs | $22.00 |