Description
Weller XNT 1SLX 0.4 mm Bent Conical Soldering Iron Tip for use with WXP65, WP65, WTP90, WX — BOLTON SKU 67713.
About the T0054487599 Weller XNT 1SLX Tip, 0.4 mm
Ordered as Weller item T0054487599, the T0054487599 XNT 1SLX soldering tip is a 45° bent conical tip with a round 0.4 mm point and an overall length of 39.5 mm, from Weller’s XNT tip series. A 0.4 mm point is at the fine end of the range: it concentrates heat into a very small area, which is what fine-pitch and small-geometry work requires, but it also limits how much thermal mass the tip can deliver into a joint. The 45° bend is the defining feature of the SLX variant — angling the working point away from the axis of the iron gives the operator sight of the joint and lets the tip reach pads that a straight conical tip would obscure or approach at an awkward wrist angle. This tip fits the WXP65, WP65, WTP90 and WXP90 soldering handpieces.
Key specifications
| Attribute | Value |
|---|---|
| Brand | Weller |
| Item number | T0054487599 |
| Model | XNT 1SLX |
| Tip series | XNT |
| Tip shape | Bent conical, round, 45° |
| Tip size | 0.4 mm |
| Length | 39.5 mm |
| For use with | WXP65, WP65, WTP90, WXP90 |
Typical applications
A 0.4 mm bent point is chosen for the finest work on a bench: individual pins on fine-pitch packages, dressing solder bridges between closely spaced leads, and touching up joints on dense boards where a broader tip would contact neighbouring pads. The 45° angle earns its place in rework, where the operator is working around already-populated components and needs a clear line of sight to the joint. Being a low-mass tip, it suits small pads and thin traces rather than ground planes or heavy connector shells.
Supplied by BOLTON Technical Equipment Supplies against request for quotation. Add this item to your RFQ basket to request pricing, lead time and documentation requirements (e.g. CoC, datasheets or test reports where applicable).




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