1/4-28 x 1.25 In. Silver Plated 12-Point Head, 1/4-28 Thread Size by 1.25 in. Long, 304 Stainless Steel, Sold as Each
1/4-28 x 1.25 In. Silver Plated 12-Point Head, 1/4-28 Thread Size by 1.25 in. Long, 304 Stainless Steel, Sold as Each.

These 1/4-28 x 1-1/4 inch silver-plated 12-Point Head have a diameter of 1/4 inch, with 28 threads per inch, and are 1.25 inch long. The silver plating is used as a dry anti seize, which helps protect against common seizing issues that can occur between the stainless steel hardware and conflat vacuum flange threads. They are non-magnetic being made of chemical and corrosion resistant 304 stainless steel. Socket head cap screws have a smaller head diameter than normal screws. They are tightened using an Allen wrench (hex key) which is inserted into the recessed hex-drive socket located in the screw head. The screw length is measured from under the head (length of shaft only) and are sold as 1 each.

1/4-28 x 1-1/4 silver-plated 12-point head screw product details:

  • Head style: 12-point
  • Drive type: 12-point 1/4-inch box end wrench, P1010551
  • Material: Stainless steel
  • Grade: 304 Stainless steel (chemical resistant)
  • Diameter: 1/4 inch
  • Thread count: 28 TPI
  • Length: 1-1/4 inch
  • Thread direction: Right hand
  • Drive size: 1/4-inch box end wrench, P1010551
  • Units: US
  • Finish: Silver-plated as anti seize

We know that selecting the correct vacuum hardware for your vacuum system can seem like a challenging process. To make buying easier we sell the hardware individually by the bolt specifications (bolt diameter, thread type, and length), or in prepackaged hardware sets tailored for specific applications, such as for connecting ISO, CF (Conflat), or ASA flanges, or for connecting vacuum valves.

Links to bolt sets for some selected applications:


Please send us an email if you are looking to order large quantities of fasteners or other hardware. We can offer substantial discounts for bulk orders. If you cannot find the particular hardware you need, please send us an email and we will quote it for you: fasteners@idealvac.com

Product: 1/4-28 x 1.25 In. Silver Plated 12-Point Head, 1/4-28 Thread Size by 1.25 in. Long, 304 Stainless Steel, Sold as Each
Condition:      New
Warranty:     Against Product Defect
Part Number: P1013386
Price: $3.15