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316 Stainless Steel Hex Head

 

 

Metric Cap Screw Head Dimensions

Screw Dia: M3
Head Wd., mm: 5.5
Head Ht., mm: 2

Screw Dia: M4
Head Wd., mm: 7
Head Ht., mm: 2.8

Screw Dia: M5
Head Wd., mm: 8
Head Ht., mm: 3.5

Screw Dia: M6
Head Wd., mm: 10
Head Ht., mm: 4

Screw Dia: M7
Head Wd., mm: 11
Head Ht., mm: 4.8

Screw Dia: M8
Head Wd., mm: 13
Head Ht., mm: 5.3

Screw Dia: M10
Head Wd., mm: 17
Head Ht., mm: 6.4

Screw Dia: M12
Head Wd., mm: 19
Head Ht., mm: 7.5

Screw Dia: M14
Head Wd., mm: 22
Head Ht., mm: 8.8

Screw Dia: M16
Head Wd., mm: 24
Head Ht., mm: 10

Screw Dia: M20
Head Wd., mm: 30
Head Ht., mm: 12.5

Screw Dia: M24
Head Wd., mm: 36
Head Ht., mm: 15

Type 316 stainless steel (A4) screws are more corrosion resistant then 18-8 stainless steel, yet have the same tensile strength and are nonmagnetic. They withstand many industrial chemicals and solvents, even the pitting caused by chlorides and sulfides. Length is measured from under the head.

Available in DIN 931 and DIN 933

18-8 Stainless Steel Hex Head

 

Metric Cap Screw Head Dimensions

Screw Dia: M3
Head Wd., mm: 5.5
Head Ht., mm: 2

Screw Dia: M4
Head Wd., mm: 7
Head Ht., mm: 2.8

Screw Dia: M5
Head Wd., mm: 8
Head Ht., mm: 3.5

Screw Dia: M6
Head Wd., mm: 10
Head Ht., mm: 4

Screw Dia: M7
Head Wd., mm: 11
Head Ht., mm: 4.8

Screw Dia: M8
Head Wd., mm: 13
Head Ht., mm: 5.3

Screw Dia: M10
Head Wd., mm: 17
Head Ht., mm: 6.4

Screw Dia: M12
Head Wd., mm: 19
Head Ht., mm: 7.5

Screw Dia: M14
Head Wd., mm: 22
Head Ht., mm: 8.8

Screw Dia: M16
Head Wd., mm: 24
Head Ht., mm: 10

Screw Dia: M20
Head Wd., mm: 30
Head Ht., mm: 12.5

Screw Dia: M24
Head Wd., mm: 36
Head Ht., mm: 15

Stainless Steel Screws

These 18-8 stainless steel (A2) screws offer excellent corrosion resistance. They may be mildly magnetic. Rockwell hardness is a minimum of B70. Minimum tensile strength is 70,000 psi. The length is measured from under head.

Available in DIN 931 and DIN 933

 

Class 10.9 High Strength Hex Head

 

Metric Cap Screw Head Dimensions

Screw Dia: M3
Head Wd., mm: 5.5
Head Ht., mm: 2

Screw Dia: M4
Head Wd., mm: 7
Head Ht., mm: 2.8

Screw Dia: M5
Head Wd., mm: 8
Head Ht., mm: 3.5

Screw Dia: M6
Head Wd., mm: 10
Head Ht., mm: 4

Screw Dia: M7
Head Wd., mm: 11
Head Ht., mm: 4.8

Screw Dia: M8
Head Wd., mm: 13
Head Ht., mm: 5.3

Screw Dia: M10
Head Wd., mm: 17
Head Ht., mm: 6.4

Screw Dia: M12
Head Wd., mm: 19
Head Ht., mm: 7.5

Screw Dia: M14
Head Wd., mm: 22
Head Ht., mm: 8.8

Screw Dia: M16
Head Wd., mm: 24
Head Ht., mm: 10

Screw Dia: M20
Head Wd., mm: 30
Head Ht., mm: 12.5

Screw Dia: M24
Head Wd., mm: 36
Head Ht., mm: 15

Comparable to U.S. Grade 8, Class 10.9 bolts are generally used for the same application. These are made from either a medium carbon or an alloy steel and have a black finish. Manufacturer and strength class are marked on the top of the head. Minimum tensile strength is 150,000 psi. Bolts are threaded at least two times their diameter + 6mm. Length is measured from under the head.

Available in DIN 931

 

Class 8.8 Medium Strength Hex Head

 

Metric Cap Screw Head Dimensions

Screw Dia: M3
Head Wd., mm: 5.5
Head Ht., mm: 2

Screw Dia: M4
Head Wd., mm: 7
Head Ht., mm: 2.8

Screw Dia: M5
Head Wd., mm: 8
Head Ht., mm: 3.5

Screw Dia: M6
Head Wd., mm: 10
Head Ht., mm: 4

Screw Dia: M7
Head Wd., mm: 11
Head Ht., mm: 4.8

Screw Dia: M8
Head Wd., mm: 13
Head Ht., mm: 5.3

Screw Dia: M10
Head Wd., mm: 17
Head Ht., mm: 6.4

Screw Dia: M12
Head Wd., mm: 19
Head Ht., mm: 7.5

Screw Dia: M14
Head Wd., mm: 22
Head Ht., mm: 8.8

Screw Dia: M16
Head Wd., mm: 24
Head Ht., mm: 10

Screw Dia: M20
Head Wd., mm: 30
Head Ht., mm: 12.5

Screw Dia: M24
Head Wd., mm: 36
Head Ht., mm: 15

DIN 933/931 (Standard Pitch) and DIN 961/960 (Special Pitch). Property Class 8.8 is comparable to Grade 5, and may be used for similar applications. Made from medium carbon steel, these bolts are heat treated, Zinc plated, and have the manufacture and strength class marked on the head. Minimum tensile strength for diameters up to m16 is 116,000 psi, for diameters greater than M16, it is 120,000 psi. Length is measured from under the head.

Available in DIN 931 & DIN 933 (Standard Pitch) and DIN 961 & DIN 960 (Special Pitch)

Available custom fasteners made to your specifications in stainless, alloy steel or carbon steel

Metric Nuts

Available From Stock In 18-8, Steel or Brass

  • Regular DIN 934
  • Jam DIN 439
  • Nylon Insert DIN 985
  • Cap DIN 1587
  • Wing ANSI B18.17

Also available custom fasteners made to your specifications in stainless, alloy steel or carbon steel

Metric Socket Caps

Available From Stock

  • Socket Cap Screws DIN912 – 18-8 & 316 (A2 & A4) stainless
  • Button Socket Screws DIN7380 – 18-8 (A2) stainless
  • Flat Socket Screws DIN7991 – 18-8 (A2) stainless
  • Socket Set Screws Cup Pt. DIN916 – 18-8 & 316 (A2 & A4) stainless

Also available custom fasteners made to your specifications in stainless, alloy steel or carbon steel

Metric Flat Washers

Available From Stock

  • DIN 125 in 18-8 and 316 (A2 & A4)

Also available custom fasteners made to your specifications in stainless, alloy steel or carbon steel

Metric Lock Washers

Metric Lock Washers Available From Stock

  • DIN 127 in 18-8 and 316 (A2 & A4)

Also available, custom fasteners made to your specifications in stainless, alloy steel or carbon steel

Metric Machine Screws

Available From Stock

  • Phillips Pan DIN 7985 – 18-8 (A2) Stainless
  • Phillips Flat DIN 965 – 18-8 (A2) Stainless
  • Slotted Pan DIN 85 – 18-8 (A2) Stainless
  • Slotted Flat DIN 963 – 18-8 (A2) Stainless
  • Cheese Head DIN 84 – 18-8 (A2) Stainless

Also available custom fasteners made to your specifications in stainless, alloy steel or carbon steel

Metric Threaded Rods

Available From Stock

  • DIN 975 – 18-8 and 316 (A2 & A4) Stainless

Also available custom fasteners made to your specifications in stainless, alloy steel or carbon steel

Metric Dowel Pins

Available From Stock

  • DIN 7 – 18-8 (A2) Stainless

Also available custom fasteners made to your specifications in stainless, alloy steel or carbon steel

Over 150,000 SKU’s in stock and ready to ship


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To learn more about the services we offer or to get a quote for a customized fastener or a product in inventory, call our New York corporate office at (631) 243-5200 or send us an .

ALLMETAL Screw Products Corp.
94A East Jefryn Blvd
Deer Park, NY 11729

 

Manufacture & Sale of Commercial & Military Stainless Steel Fasteners

Aircraft & Aerospace Fasteners Manufactured in the USA

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More Than 150 Years of Combined Industry Experience
Locations in New York, maryland and Atlanta

New York Corporate Office
Phone: (631) 243-5200
Fax: (631) 243-5307

Baltimore, MD
Phone: (410) 437-0088
Fax: (410) 437-3551

Atlanta, GA
Phone: (912) 526-6794
Fax: (912) 526-6792