McMaster-Carr logo
    Enter e-mail addresses in the fields below
    Message
    Cancel
    Comments
    E-mail address (if you would like a response)
    87 Products

    Stainless Steel Pan Head Phillips Screws with Spring Lock Washer

    Image of Product. Front orientation. Rounded Head Screws. Stainless Steel Pan Head Phillips Screws with Spring Lock Washer.
    These corrosion-resistant screws grip tighter for better vibration resistance than screws with tooth-lock washers. The spring-like washer flexes to keep tension constant and to compensate for uneven surfaces, vibration changes, and temperature shifts. They have a moderate height and width profile, offering a middle ground between narrower button heads and wider truss heads. The Phillips drive easily aligns with drivers and withstands more torque than slotted drives, but drivers slip when you apply too much force. Also known as Square Cone Sems screws.
    Length is measured from under the head.
    18-8 Stainless Steel—The choice for wet and outdoor environments, these screws won't rust. However, they don't hold up to the harsh chemicals that 316 stainless steel can.
    Head
    Washer
    Lg.
    Dia.
    Ht.
    OD
    Thk.
    Threading
    Tensile Strength,
    psi
    Specs. Met
    Pkg.
    Qty.
    Pkg.
    18-8 Stainless Steel
     
    4-40
    3/16"0.219"0.08"0.25"0.015"Fully Threaded70,000ASME B18.131000000000000000
    1/4"0.219"0.08"0.25"0.015"Fully Threaded70,000ASME B18.13250000000000000
    5/16"0.219"0.08"0.25"0.015"Fully Threaded70,000ASME B18.13250000000000000
    3/8"0.219"0.08"0.25"0.015"Fully Threaded70,000ASME B18.13250000000000000
    7/16"0.219"0.08"0.25"0.015"Fully Threaded70,000ASME B18.13250000000000000
    1/2"0.219"0.08"0.25"0.015"Fully Threaded70,000ASME B18.132500000000000000
    5/8"0.219"0.08"0.25"0.015"Fully Threaded70,000ASME B18.132500000000000000
    3/4"0.219"0.08"0.25"0.015"Fully Threaded70,000ASME B18.13100000000000000
    1"0.219"0.08"0.25"0.015"Fully Threaded70,000ASME B18.13100000000000000
     
    6-32
    3/16"0.27"0.097"0.32"0.025"Fully Threaded70,000ASME B18.13100000000000000
    1/4"0.27"0.097"0.32"0.025"Fully Threaded70,000ASME B18.13250000000000000
    5/16"0.27"0.097"0.32"0.025"Fully Threaded70,000ASME B18.13250000000000000
    3/8"0.27"0.097"0.32"0.025"Fully Threaded70,000ASME B18.13250000000000000
    7/16"0.27"0.097"0.32"0.025"Fully Threaded70,000ASME B18.131000000000000000
    1/2"0.27"0.097"0.32"0.025"Fully Threaded70,000ASME B18.13250000000000000
    5/8"0.27"0.097"0.32"0.025"Fully Threaded70,000ASME B18.131000000000000000
    3/4"0.27"0.097"0.32"0.025"Fully Threaded70,000ASME B18.13100000000000000
    1"0.27"0.097"0.32"0.025"Fully Threaded70,000ASME B18.13100000000000000
     
    8-32
    1/4"0.322"0.115"0.383"0.03"Fully Threaded70,000ASME B18.13100000000000000
    3/8"0.322"0.115"0.383"0.03"Fully Threaded70,000ASME B18.13250000000000000
    1/2"0.322"0.115"0.383"0.03"Fully Threaded70,000ASME B18.132500000000000000
    5/8"0.322"0.115"0.383"0.03"Fully Threaded70,000ASME B18.132500000000000000
    3/4"0.322"0.115"0.383"0.03"Fully Threaded70,000ASME B18.13100000000000000
    1"0.322"0.115"0.383"0.03"Fully Threaded70,000ASME B18.13100000000000000
     
    10-24
    3/8"0.373"0.133"0.446"0.032"Fully Threaded70,000ASME B18.13100000000000000
    1/2"0.373"0.133"0.446"0.032"Fully Threaded70,000ASME B18.13100000000000000
    3/4"0.373"0.133"0.446"0.032"Fully Threaded70,000ASME B18.13100000000000000
    1"0.373"0.133"0.446"0.032"Fully Threaded70,000ASME B18.131000000000000000
     
    10-32
    1/4"0.373"0.133"0.446"0.032"Fully Threaded70,000ASME B18.13100000000000000
    3/8"0.373"0.133"0.446"0.032"Fully Threaded70,000ASME B18.13100000000000000
    1/2"0.373"0.133"0.446"0.032"Fully Threaded70,000ASME B18.13250000000000000
    5/8"0.373"0.133"0.446"0.032"Fully Threaded70,000ASME B18.132500000000000000
    3/4"0.373"0.133"0.446"0.032"Fully Threaded70,000ASME B18.13100000000000000
    1"0.373"0.133"0.446"0.032"Fully Threaded70,000ASME B18.131000000000000000
     
    M2.5 × 0.45 mm
    5 mm5 mm2.1 mm6.35 mm0.6 mmFully Threaded70,0001000000000000000
    6 mm5 mm2.1 mm6.35 mm0.6 mmFully Threaded70,0001000000000000000
    8 mm5 mm2.1 mm6.35 mm0.6 mmFully Threaded70,0001000000000000000
    10 mm5 mm2.1 mm6.35 mm0.6 mmFully Threaded70,0001000000000000000
     
    M3 × 0.5 mm
    5 mm5.6 mm2.4 mm7.80 mm0.63 mmFully Threaded70,000ASME B18.13100000000000000
    6 mm5.6 mm2.4 mm7.80 mm0.63 mmFully Threaded70,000ASME B18.13100000000000000
    8 mm5.6 mm2.4 mm7.80 mm0.63 mmFully Threaded70,000ASME B18.13100000000000000
    10 mm5.6 mm2.4 mm7.80 mm0.63 mmFully Threaded70,000ASME B18.13100000000000000
    12 mm5.6 mm2.4 mm7.80 mm0.63 mmFully Threaded70,000ASME B18.13100000000000000
     
    M4 × 0.7 mm
    6 mm8 mm3.1 mm8.45 mm0.76 mmFully Threaded70,000ASME B18.13100000000000000
    8 mm8 mm3.1 mm8.45 mm0.76 mmFully Threaded70,000ASME B18.13100000000000000
    10 mm8 mm3.1 mm8.45 mm0.76 mmFully Threaded70,000ASME B18.13100000000000000
    12 mm8 mm3.1 mm8.45 mm0.76 mmFully Threaded70,000ASME B18.13100000000000000
    16 mm8 mm3.1 mm8.45 mm0.76 mmFully Threaded70,000ASME B18.13100000000000000
     
    M5 × 0.8 mm
    8 mm9.5 mm3.7 mm9.75 mm0.94 mmFully Threaded70,000ASME B18.13100000000000000
    10 mm9.5 mm3.7 mm9.75 mm0.94 mmFully Threaded70,000ASME B18.13100000000000000
    12 mm9.5 mm3.7 mm9.75 mm0.94 mmFully Threaded70,000ASME B18.13100000000000000
    16 mm9.5 mm3.7 mm9.75 mm0.94 mmFully Threaded70,000ASME B18.131000000000000000
    20 mm9.5 mm3.7 mm9.75 mm0.94 mmFully Threaded70,000ASME B18.131000000000000000
     
    M6 × 1 mm
    10 mm12 mm4.6 mm12.9 mm0.99 mmFully Threaded70,000ASME B18.131000000000000000
    12 mm12 mm4.6 mm12.9 mm0.99 mmFully Threaded70,000ASME B18.131000000000000000
    16 mm12 mm4.6 mm12.9 mm0.99 mmFully Threaded70,000ASME B18.131000000000000000
    20 mm12 mm4.6 mm12.9 mm0.99 mmFully Threaded70,000ASME B18.131000000000000000
    25 mm12 mm4.6 mm12.9 mm0.99 mmFully Threaded70,000ASME B18.131000000000000000
     

    Steel Pan Head Phillips Screws with Spring Lock Washer

    Image of Product. Front orientation. Rounded Head Screws. Steel Pan Head Phillips Screws with Spring Lock Washer.
    Grip tighter for better vibration resistance than tooth-lock washers. The spring-like washer on these screws flexes to keep tension constant and compensate for uneven surfaces, vibration changes, and temperature shifts. They have a moderate height and width profile, offering a middle ground between narrower button heads and wider truss heads. The Phillips drive easily aligns with drivers and withstands more torque than slotted drives, but drivers slip when you apply too much force. Also known as Square Cone Sems screws.
    Length is measured from under the head.
    Zinc-Plated Steel—A common choice for areas with occasional exposure to moisture.
    Head
    Washer
    Lg.
    Dia.
    Ht.
    OD
    Thk.
    Threading
    Tensile Strength,
    psi
    Specs. Met
    Pkg.
    Qty.
    Pkg.
    Zinc-Plated Steel
     
    4-40
    3/16"0.219"0.08"0.25"0.015"Fully Threaded60,000ASME B18.1325000000000000000
    1/4"0.219"0.08"0.25"0.015"Fully Threaded60,000ASME B18.132500000000000000
    5/16"0.219"0.08"0.25"0.015"Fully Threaded60,000ASME B18.13250000000000000
    3/8"0.219"0.08"0.25"0.015"Fully Threaded60,000ASME B18.132500000000000000
    7/16"0.219"0.08"0.25"0.015"Fully Threaded60,000ASME B18.13250000000000000
    1/2"0.219"0.08"0.25"0.015"Fully Threaded60,000ASME B18.132500000000000000
    3/4"0.219"0.08"0.25"0.015"Fully Threaded60,000ASME B18.132500000000000000
     
    6-32
    1/4"0.27"0.097"0.32"0.03"Fully Threaded60,000ASME B18.131000000000000000
    5/16"0.27"0.097"0.32"0.03"Fully Threaded60,000ASME B18.132500000000000000
    3/8"0.27"0.097"0.32"0.03"Fully Threaded60,000ASME B18.1310000000000000000
    1/2"0.27"0.097"0.32"0.03"Fully Threaded60,000ASME B18.13250000000000000
    3/4"0.27"0.097"0.32"0.03"Fully Threaded60,000ASME B18.132500000000000000
    1"0.27"0.097"0.32"0.03"Fully Threaded60,000ASME B18.131000000000000000
     
    8-32
    1/4"0.322"0.115"0.383"0.035"Fully Threaded60,000ASME B18.135000000000000000
    3/8"0.322"0.115"0.383"0.03"Fully Threaded60,000ASME B18.131000000000000000
    1/2"0.322"0.115"0.383"0.03"Fully Threaded60,000ASME B18.1310000000000000000
    3/4"0.322"0.115"0.383"0.03"Fully Threaded60,000ASME B18.13100000000000000
    1"0.322"0.115"0.383"0.03"Fully Threaded60,000ASME B18.131000000000000000
     
    10-32
    1/4"0.373"0.133"0.446"0.032"Fully Threaded60,000ASME B18.132500000000000000
    3/8"0.373"0.133"0.446"0.032"Fully Threaded60,000ASME B18.132500000000000000
    1/2"0.373"0.133"0.446"0.032"Fully Threaded60,000ASME B18.132500000000000000
    5/8"0.373"0.133"0.446"0.035"Fully Threaded60,000ASME B18.13250000000000000
    3/4"0.373"0.133"0.446"0.032"Fully Threaded60,000ASME B18.132500000000000000
    1"0.373"0.133"0.446"0.032"Fully Threaded60,000ASME B18.132500000000000000
     
    1/4"-20
    3/8"0.492"0.175"0.508"0.039"Fully Threaded60,000ASME B18.132500000000000000
    1/2"0.492"0.175"0.508"0.039"Fully Threaded60,000ASME B18.132500000000000000
    3/4"0.492"0.175"0.508"0.039"Fully Threaded60,000ASME B18.132500000000000000
    1"0.492"0.175"0.508"0.039"Fully Threaded60,000ASME B18.132500000000000000
    1 1/2"0.492"0.175"0.508"0.039"Fully Threaded60,000ASME B18.132500000000000000
     
    back to top