Cross Recessed Pan Head Tapping Screw
ISO 7049 (Current)
- Material
- Stainless Steel, Carbon Steel
- Finish
- Passivated, Plain, Zinc Plated, Dacromet and more
- Size range
- ST2.9, ST3.5, ST4.2 + 3 more
Share
Select sizes and quantities — 59 confirmed sizes to ISO 7049
Material
Finish
| dNominal Diameter (mm) | lLength (mm) | PThread Pitch (mm) | kNominal Head Height (mm) | aThread Runout (max) (mm) | daUnderhead Diameter (max) (mm) | MOQ | Quantity and inquiry |
|---|---|---|---|---|---|---|---|
| ST2.9 | 6.5 | 1.1 | 2.4 | 1.1 | 3.5 | 2000 | |
| ST2.9 | 9.5 | 1.1 | 2.4 | 1.1 | 3.5 | 2000 | |
| ST2.9 | 13 | 1.1 | 2.4 | 1.1 | 3.5 | 2000 | |
| ST2.9 | 16 | 1.1 | 2.4 | 1.1 | 3.5 | 2000 | |
| ST2.9 | 19 | 1.1 | 2.4 | 1.1 | 3.5 | 2000 | |
| ST2.9 | 22 | 1.1 | 2.4 | 1.1 | 3.5 | 2000 | |
| ST2.9 | 25 | 1.1 | 2.4 | 1.1 | 3.5 | 2000 | |
| ST2.9 | 32 | 1.1 | 2.4 | 1.1 | 3.5 | 2000 | |
| ST2.9 | 38 | 1.1 | 2.4 | 1.1 | 3.5 | 2000 | |
| ST2.9 | 45 | 1.1 | 2.4 | 1.1 | 3.5 | 2000 | |
| ST2.9 | 50 | 1.1 | 2.4 | 1.1 | 3.5 | 2000 | |
| ST3.5 | 9.5 | 1.3 | 2.6 | 1.3 | 4.1 | 2000 | |
| ST3.5 | 13 | 1.3 | 2.6 | 1.3 | 4.1 | 2000 | |
| ST3.5 | 16 | 1.3 | 2.6 | 1.3 | 4.1 | 2000 | |
| ST3.5 | 19 | 1.3 | 2.6 | 1.3 | 4.1 | 2000 | |
| ST3.5 | 22 | 1.3 | 2.6 | 1.3 | 4.1 | 2000 |
Showing 16 of 59 sizes
dNominal Diameter (mm)ST2.9
lLength (mm)6.5
PThread Pitch (mm)1.1
kNominal Head Height (mm)2.4
aThread Runout (max) (mm)1.1
daUnderhead Diameter (max) (mm)3.5
MOQ2000
ST2.9 × 9.5 × 1.1 × 2.4 × 1.1 × 3.5 × 5.6 × 5.3 × 2.15 × 0.1 × 5 × 1 × 3 × 1.8 × 1.4 × 3 × 1.75 × 1.45 × 2.6 × 2.1
dNominal Diameter (mm)ST2.9
lLength (mm)9.5
PThread Pitch (mm)1.1
kNominal Head Height (mm)2.4
aThread Runout (max) (mm)1.1
daUnderhead Diameter (max) (mm)3.5
MOQ2000
ST2.9 × 13 × 1.1 × 2.4 × 1.1 × 3.5 × 5.6 × 5.3 × 2.15 × 0.1 × 5 × 1 × 3 × 1.8 × 1.4 × 3 × 1.75 × 1.45 × 2.6 × 2.1
dNominal Diameter (mm)ST2.9
lLength (mm)13
PThread Pitch (mm)1.1
kNominal Head Height (mm)2.4
aThread Runout (max) (mm)1.1
daUnderhead Diameter (max) (mm)3.5
MOQ2000
ST2.9 × 16 × 1.1 × 2.4 × 1.1 × 3.5 × 5.6 × 5.3 × 2.15 × 0.1 × 5 × 1 × 3 × 1.8 × 1.4 × 3 × 1.75 × 1.45 × 2.6 × 2.1
dNominal Diameter (mm)ST2.9
lLength (mm)16
PThread Pitch (mm)1.1
kNominal Head Height (mm)2.4
aThread Runout (max) (mm)1.1
daUnderhead Diameter (max) (mm)3.5
MOQ2000
ST2.9 × 19 × 1.1 × 2.4 × 1.1 × 3.5 × 5.6 × 5.3 × 2.15 × 0.1 × 5 × 1 × 3 × 1.8 × 1.4 × 3 × 1.75 × 1.45 × 2.6 × 2.1
dNominal Diameter (mm)ST2.9
lLength (mm)19
PThread Pitch (mm)1.1
kNominal Head Height (mm)2.4
aThread Runout (max) (mm)1.1
daUnderhead Diameter (max) (mm)3.5
MOQ2000
ST2.9 × 22 × 1.1 × 2.4 × 1.1 × 3.5 × 5.6 × 5.3 × 2.15 × 0.1 × 5 × 1 × 3 × 1.8 × 1.4 × 3 × 1.75 × 1.45 × 2.6 × 2.1
dNominal Diameter (mm)ST2.9
lLength (mm)22
PThread Pitch (mm)1.1
kNominal Head Height (mm)2.4
aThread Runout (max) (mm)1.1
daUnderhead Diameter (max) (mm)3.5
MOQ2000
ST2.9 × 25 × 1.1 × 2.4 × 1.1 × 3.5 × 5.6 × 5.3 × 2.15 × 0.1 × 5 × 1 × 3 × 1.8 × 1.4 × 3 × 1.75 × 1.45 × 2.6 × 2.1
dNominal Diameter (mm)ST2.9
lLength (mm)25
PThread Pitch (mm)1.1
kNominal Head Height (mm)2.4
aThread Runout (max) (mm)1.1
daUnderhead Diameter (max) (mm)3.5
MOQ2000
ST2.9 × 32 × 1.1 × 2.4 × 1.1 × 3.5 × 5.6 × 5.3 × 2.15 × 0.1 × 5 × 1 × 3 × 1.8 × 1.4 × 3 × 1.75 × 1.45 × 2.6 × 2.1
dNominal Diameter (mm)ST2.9
lLength (mm)32
PThread Pitch (mm)1.1
kNominal Head Height (mm)2.4
aThread Runout (max) (mm)1.1
daUnderhead Diameter (max) (mm)3.5
MOQ2000
ST2.9 × 38 × 1.1 × 2.4 × 1.1 × 3.5 × 5.6 × 5.3 × 2.15 × 0.1 × 5 × 1 × 3 × 1.8 × 1.4 × 3 × 1.75 × 1.45 × 2.6 × 2.1
dNominal Diameter (mm)ST2.9
lLength (mm)38
PThread Pitch (mm)1.1
kNominal Head Height (mm)2.4
aThread Runout (max) (mm)1.1
daUnderhead Diameter (max) (mm)3.5
MOQ2000
ST2.9 × 45 × 1.1 × 2.4 × 1.1 × 3.5 × 5.6 × 5.3 × 2.15 × 0.1 × 5 × 1 × 3 × 1.8 × 1.4 × 3 × 1.75 × 1.45 × 2.6 × 2.1
dNominal Diameter (mm)ST2.9
lLength (mm)45
PThread Pitch (mm)1.1
kNominal Head Height (mm)2.4
aThread Runout (max) (mm)1.1
daUnderhead Diameter (max) (mm)3.5
MOQ2000
ST2.9 × 50 × 1.1 × 2.4 × 1.1 × 3.5 × 5.6 × 5.3 × 2.15 × 0.1 × 5 × 1 × 3 × 1.8 × 1.4 × 3 × 1.75 × 1.45 × 2.6 × 2.1
dNominal Diameter (mm)ST2.9
lLength (mm)50
PThread Pitch (mm)1.1
kNominal Head Height (mm)2.4
aThread Runout (max) (mm)1.1
daUnderhead Diameter (max) (mm)3.5
MOQ2000
ST3.5 × 9.5 × 1.3 × 2.6 × 1.3 × 4.1 × 7 × 6.64 × 2.35 × 0.1 × 6 × 2 × 3.9 × 1.9 × 1.4 × 4 × 1.9 × 1.5 × 3.2 × 2.5 × 2.7
dNominal Diameter (mm)ST3.5
lLength (mm)9.5
PThread Pitch (mm)1.3
kNominal Head Height (mm)2.6
aThread Runout (max) (mm)1.3
daUnderhead Diameter (max) (mm)4.1
MOQ2000
ST3.5 × 13 × 1.3 × 2.6 × 1.3 × 4.1 × 7 × 6.64 × 2.35 × 0.1 × 6 × 2 × 3.9 × 1.9 × 1.4 × 4 × 1.9 × 1.5 × 3.2 × 2.5 × 2.7
dNominal Diameter (mm)ST3.5
lLength (mm)13
PThread Pitch (mm)1.3
kNominal Head Height (mm)2.6
aThread Runout (max) (mm)1.3
daUnderhead Diameter (max) (mm)4.1
MOQ2000
ST3.5 × 16 × 1.3 × 2.6 × 1.3 × 4.1 × 7 × 6.64 × 2.35 × 0.1 × 6 × 2 × 3.9 × 1.9 × 1.4 × 4 × 1.9 × 1.5 × 3.2 × 2.5 × 2.7
dNominal Diameter (mm)ST3.5
lLength (mm)16
PThread Pitch (mm)1.3
kNominal Head Height (mm)2.6
aThread Runout (max) (mm)1.3
daUnderhead Diameter (max) (mm)4.1
MOQ2000
ST3.5 × 19 × 1.3 × 2.6 × 1.3 × 4.1 × 7 × 6.64 × 2.35 × 0.1 × 6 × 2 × 3.9 × 1.9 × 1.4 × 4 × 1.9 × 1.5 × 3.2 × 2.5 × 2.7
dNominal Diameter (mm)ST3.5
lLength (mm)19
PThread Pitch (mm)1.3
kNominal Head Height (mm)2.6
aThread Runout (max) (mm)1.3
daUnderhead Diameter (max) (mm)4.1
MOQ2000
ST3.5 × 22 × 1.3 × 2.6 × 1.3 × 4.1 × 7 × 6.64 × 2.35 × 0.1 × 6 × 2 × 3.9 × 1.9 × 1.4 × 4 × 1.9 × 1.5 × 3.2 × 2.5 × 2.7
dNominal Diameter (mm)ST3.5
lLength (mm)22
PThread Pitch (mm)1.3
kNominal Head Height (mm)2.6
aThread Runout (max) (mm)1.3
daUnderhead Diameter (max) (mm)4.1
MOQ2000
Product details
- Description
- Cross Recessed Pan Head Tapping Screw is supplied to ISO 7049. Confirmed supply covers Stainless Steel and Carbon Steel, Passivated, Plain and more finish. Every combination in the specification table below is a combination we actually supply — the table is the authoritative list, not a catalogue extract. To receive a quotation, send the size, quantity, finish and any document requirement; mixed sizes in one order are welcome.
- Features
- Pan head with cross recess drive · Self-tapping thread for direct assembly into prepared holes · Available in ST2.9 and ST3.5 diameters · Supplied in carbon steel or stainless steel with multiple finish options
- Applications
- Sheet metal assembly, Enclosure and cabinet fixing, HVAC ducting and light fabrication
Order assurance
Confirmed for the quoted product and order.Reports & inspection
Agreed in the quotation.
- EN 10204 3.1 material certificate
- Dimensional inspection report
- Certificate of conformity
- Mechanical test report
- Chemical analysis report
- Coating inspection report
- Batch and lot traceability
Packaging & delivery
Options we supply.
- Bulk carton packing
- Small boxes with outer cartons
- Palletized shipment
- Fumigation-free pallets
- Inner poly bags
- Buyer branding and labels
Product questions
What sizes of Cross Recessed Pan Head Tapping Screw do you supply?
Execution standard: ISO 7049. The confirmed specification table covers 2.9–6.3 diameters and 6.5–50 lengths. Use the specification table to select the exact variant required for quotation.
Which materials, grades and finishes can I order?
Material: Stainless Steel, Carbon Steel; Finish: Passivated, Plain, Zinc Plated, Dacromet, Ruspert, Phosphate. Availability should be confirmed against the selected specification and order quantity.
Where are these self-tapping screws typically used?
Typical applications include Sheet metal assembly, Enclosure and cabinet fixing, HVAC ducting and light fabrication. Final suitability depends on the selected material, grade, finish and operating conditions.







