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Countersunk head self-tapping screws with cross recess1/2
Screws

Countersunk head self-tapping screws with cross recess

GB/T 846 · ST2.9, ST3.5, ST4.2 and other confirmed options · Carbon Steel

GB/T 846 (Current)Corresponding standard: ISO 7050

● Available for quotation
Drive
Cross Recess
Material
Carbon Steel
Finish
Zinc Plated
Head Style
Countersunk Head
Thread Type
Self-Tapping Thread

MOQ: 20000–30000 pcs

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Product Specifications

Choose the sizes you need. Units are shown once in the column header.

Available options
Material
Finish
43 sizes
dNominal Diameter · mmlLength · mmPThread Pitch · mmkNominal Head Height · mmaThread Runout (max) · mmdkTheoretical Head Diameter (max) · mmMOQQuantity and inquiry
ST4.2191.42.62.89.430000
ST4.2221.42.62.89.430000
ST4.2251.42.62.89.430000
ST4.89.51.62.83.210.430000
ST4.8131.62.83.210.430000
ST4.8161.62.83.210.430000
ST4.8191.62.83.210.430000
ST4.8221.62.83.210.430000
ST4.8251.62.83.210.430000
ST5.5131.833.611.520000
ST5.5161.833.611.520000
ST5.5191.833.611.520000
ST5.5221.833.611.520000
ST5.5251.833.611.520000
ST6.3131.83.153.612.620000
ST6.3161.83.153.612.620000

GB/T 846 | ST4.2 x 19

dNominal Diameter · mmST4.2
lLength · mm19
PThread Pitch · mm1.4
kNominal Head Height · mm2.6
aThread Runout (max) · mm2.8
dkTheoretical Head Diameter (max) · mm9.4
MOQ30000

GB/T 846 | ST4.2 x 22

dNominal Diameter · mmST4.2
lLength · mm22
PThread Pitch · mm1.4
kNominal Head Height · mm2.6
aThread Runout (max) · mm2.8
dkTheoretical Head Diameter (max) · mm9.4
MOQ30000

GB/T 846 | ST4.2 x 25

dNominal Diameter · mmST4.2
lLength · mm25
PThread Pitch · mm1.4
kNominal Head Height · mm2.6
aThread Runout (max) · mm2.8
dkTheoretical Head Diameter (max) · mm9.4
MOQ30000

GB/T 846 | ST4.8 x 9.5

dNominal Diameter · mmST4.8
lLength · mm9.5
PThread Pitch · mm1.6
kNominal Head Height · mm2.8
aThread Runout (max) · mm3.2
dkTheoretical Head Diameter (max) · mm10.4
MOQ30000

GB/T 846 | ST4.8 x 13

dNominal Diameter · mmST4.8
lLength · mm13
PThread Pitch · mm1.6
kNominal Head Height · mm2.8
aThread Runout (max) · mm3.2
dkTheoretical Head Diameter (max) · mm10.4
MOQ30000

GB/T 846 | ST4.8 x 16

dNominal Diameter · mmST4.8
lLength · mm16
PThread Pitch · mm1.6
kNominal Head Height · mm2.8
aThread Runout (max) · mm3.2
dkTheoretical Head Diameter (max) · mm10.4
MOQ30000

GB/T 846 | ST4.8 x 19

dNominal Diameter · mmST4.8
lLength · mm19
PThread Pitch · mm1.6
kNominal Head Height · mm2.8
aThread Runout (max) · mm3.2
dkTheoretical Head Diameter (max) · mm10.4
MOQ30000

GB/T 846 | ST4.8 x 22

dNominal Diameter · mmST4.8
lLength · mm22
PThread Pitch · mm1.6
kNominal Head Height · mm2.8
aThread Runout (max) · mm3.2
dkTheoretical Head Diameter (max) · mm10.4
MOQ30000

GB/T 846 | ST4.8 x 25

dNominal Diameter · mmST4.8
lLength · mm25
PThread Pitch · mm1.6
kNominal Head Height · mm2.8
aThread Runout (max) · mm3.2
dkTheoretical Head Diameter (max) · mm10.4
MOQ30000

GB/T 846 | ST5.5 x 13

dNominal Diameter · mmST5.5
lLength · mm13
PThread Pitch · mm1.8
kNominal Head Height · mm3
aThread Runout (max) · mm3.6
dkTheoretical Head Diameter (max) · mm11.5
MOQ20000

GB/T 846 | ST5.5 x 16

dNominal Diameter · mmST5.5
lLength · mm16
PThread Pitch · mm1.8
kNominal Head Height · mm3
aThread Runout (max) · mm3.6
dkTheoretical Head Diameter (max) · mm11.5
MOQ20000

GB/T 846 | ST5.5 x 19

dNominal Diameter · mmST5.5
lLength · mm19
PThread Pitch · mm1.8
kNominal Head Height · mm3
aThread Runout (max) · mm3.6
dkTheoretical Head Diameter (max) · mm11.5
MOQ20000

GB/T 846 | ST5.5 x 22

dNominal Diameter · mmST5.5
lLength · mm22
PThread Pitch · mm1.8
kNominal Head Height · mm3
aThread Runout (max) · mm3.6
dkTheoretical Head Diameter (max) · mm11.5
MOQ20000

GB/T 846 | ST5.5 x 25

dNominal Diameter · mmST5.5
lLength · mm25
PThread Pitch · mm1.8
kNominal Head Height · mm3
aThread Runout (max) · mm3.6
dkTheoretical Head Diameter (max) · mm11.5
MOQ20000

GB/T 846 | ST6.3 x 13

dNominal Diameter · mmST6.3
lLength · mm13
PThread Pitch · mm1.8
kNominal Head Height · mm3.15
aThread Runout (max) · mm3.6
dkTheoretical Head Diameter (max) · mm12.6
MOQ20000

GB/T 846 | ST6.3 x 16

dNominal Diameter · mmST6.3
lLength · mm16
PThread Pitch · mm1.8
kNominal Head Height · mm3.15
aThread Runout (max) · mm3.6
dkTheoretical Head Diameter (max) · mm12.6
MOQ20000

Product description

Countersunk head self-tapping screws with cross recess is supplied to GB/T 846 in 6.5–25 mm lengths. Confirmed supply options include Carbon Steel, Zinc Plated finishes.

Key features

  • Forms its own mating thread in a pre-drilled hole.

Applications

  • Used in sheet metal assembly, enclosure and cabinet fixing, and HVAC ducting and light fabrication.

Standard and order documents

The selected execution standard is the product basis. Published or order-specific documents are shown only when they have been confirmed for this product.

Primary standardGB/T 846 - 2017Current

Order assurance

Available options; exact scope is fixed in the quotation or order.
Packing

Bulk carton packing

Available subject to confirmed piece weight and shipping requirements.

Packing

Palletized shipment

Available when pallet size and handling requirements are confirmed.

Packing

Small boxes with outer cartons

Available when the box quantity and labels are agreed.

Packing

Buyer branding and labels

Available after artwork, label content, placement and the applicable minimum batch are agreed.

Frequently Asked Questions

Which order and delivery details are already confirmed for Countersunk head self-tapping screws with cross recess?

MOQ: 20000–30000 pcs. Confirmed packing options include Bulk carton packing, Palletized shipment, Small boxes with outer cartons, Buyer branding and labels.

What information should be included in a quotation request for Countersunk head self-tapping screws with cross recess?

Provide the required standard, diameter or size, length, material, finish, quantity, delivery destination.

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Request this product by exact specification.

Add the required size, quantity, material, finish and documents where known.

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