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Type Type

Thread Thread

Surface treatment Surface treatment

Mechanical zinc plated (10)
Plain (3473)
Zinc flake Cr(VI) free - ISO 10683 480h NSS, with lubricant (1)
1. Zinc flake Cr(VI) free - flZn/nc (283)
2. Zinc plated (1520)
3. Zinc plated with thick Cr(III) passivation (87)
4. Zinc plated yellow passivated (25)

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RoHs RoHs

Not RoHs compliant (217)
RoHs compliant (15850)

Point Point

Champfered (123)
Cone (340)
Cup (497)
1. Dog (157)
2. Flat (1085)
3. Knurled cup (48)
4. Long dog (44)

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NF NF

NEN NEN

Metric/Inch Metric/Inch

Imperial (Inch) (1548)
Metric (8219)

Material technical Material technical

Material / Grade Material / Grade

Material Material

Alloy steel (447)
Aluminium (7)
Brass (21)
1. Plastic (29)
2. Stainless steel (3323)
3. Steel (4952)

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Length (L) (mm) Length (L) (mm)

Length (L) (Inch - ft) Length (L) (Inch - ft)

ISO ISO

Head shape Head shape

Button head (697)
Countersunk head (959)
Cylindrical head (4649)
1. Hexagon head (63)
2. Low cylindrical head (857)

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Driving features Driving features

Hexagon (77)
Hexagon socket (8163)
Hexalobular (248)
1. Slotted (272)
2. Torx^® (4)

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DIN DIN

Diameter (inch) Diameter (inch)

Diameter (d-D) Diameter (d-D)

Class Class

BS BS

ASME ASME

B18.3 (123)
B18.3.1M (4031)
B18.3.6M (1046)
1. ≈B18.3 (259)
2. ≈B18.3 (1936) (36)
3. ≈B18.3 (1960) (820)
4. ≈B18.3.1M (176)
5. ≈B18.3.4M (222)
6. ≈B18.3.6M (138)

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Sockets & Set screws