Engineered for professionals and DIYers who demand maximum pull-out resistance in particleboard, MDF and soft wood, the Carbon Steel ST3.5-6.3 Cross Recessed Countersink Head Chipboard Screw delivers rock-solid joints every time. The screw is manufactured from hardened carbon steel and case-hardened to HV 550-700, giving it the strength to bite aggressively into chipboard without snapping or stripping.

Description:

Place of Origin	Jiaxing, Zhejiang, China
Dimension	6mm, 8mm, 10mm,12mm
Surfance	/HDG/zinc plated/white/yellow
Material	Carbon steel
Standard	DIN, AISI, ASME, ISO
Non-standards	OEM is available, according to drawing or samples
Samples	Samples are free.
Package	Pack the box first and put it in the carton, or according to customers' requirement.
Payment	T/T or L/C

Packaging & Shipping

Standard export packing or According to customer's requirement

Our Services

1.We^,ll always be online whenever you look for us.

2.The customer is god, and we always focus on the customer's point of view

3.We produce your order strictly by your request. If the quality was not acceptable, we will refund to you.

FAQ

Q:What is your main products?

A:Fasteners, Bolt, nut, screws, washer, threaded rod, anchors, self tapping screws, self driling screws, stainless steel plate, etc.

Q: What is your delivery time?

A:It depends on if we have stock or not, if we have stock goods, we can delivery within 2 days after receive the payment. And normally our production is in 20-30 days for one container (20-26 ton) products.

Size range: ST 3.5 × 25 mm – 6.3 × 120 mm (other lengths on request)
Thread: Deep, single-lead with 45° asymmetrical profile for low drive torque & high pull-out (≈ 650 N in 18 mm P5 chipboard)
Head: 90° countersink with under-head ribs – seats flush and eliminates “mushrooming”
Drive: Pozi #2 (PZ2) / Phillips #2 (PH2) combo recess – zero cam-out even at 3 000 rpm auto-feed
Point: Type-17 slash cut – self-drills 3-4 mm pilot, removes chip build-up, no pre-drilling needed in 16-38 mm boards
Coating: Zinc-yellow Cr(VI)-free 8 µm + optional wax additive – 48 h neutral-salt-spray certified, suitable for indoor & covered outdoor use
Strength: Core hardness 350 HV 0.3, surface 550-700 HV 0.3 – torsional strength ≥ 3.2 N·m (3.5 mm)
Standards: EN 14592, DIN 7504-P, REACH & RoHS compliant, CE-marked for structural timber applications

Fast bite: 25 % reduction in drive time vs. twin-thread design
Strip-proof: Precision-formed thread crests grip fibre walls without oversize damage
3- Reusable: Special neck radius allows 5× repeated removal/insertion in same hole without loss of retention
Flush finish: Ribs under head cut a clean countersink, ready for laminate or veneer overlay
Tool friendly: Recess depth 3.2 mm accepts standard 25 mm PZ2 bits, 20 000+ cycles in lab test

Kitchen & office cabinet assembly
Flat-pack furniture, shelving & wardrobes
MDF skirting, architrave & kick boards
Soft-wood carcassing & stud-work where chipboard gussets are used
Retail display fixtures, exhibition stands, speaker cabinets

尾部

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ABOUT US

Jiaxing Goshen Hardware CO., LTD is Located at Economic Development Area, Jiaxing City, Zhejiang Province, China. We specialise in suppling kinds of stainless steel, high strength and low carbon steel fasteners with excellent quality and reliable price. Our fasteners according to a number of internationally recognised standards including DIN, ANSI/ASTM, BS, JIS, GB etc.